About this route:

A direct, nonstop flight between Friday Harbor Seaplane Base (FBS), Friday Harbor, Washington, United States and St. Mary's Airport (KSM), St. Mary's, Alaska, United States would travel a Great Circle distance of 1,798 miles (or 2,893 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the relatively short distance between Friday Harbor Seaplane Base and St. Mary's Airport, the route shown on this map most likely still appears to be a straight line.

Departure Airport Information:

IATA / ICAO Codes: FBS /
Airport Names:
  1. Friday Harbor Seaplane Base
  2. W33
Location: Friday Harbor, Washington, United States
GPS Coordinates: 48°32'13"N by 123°0'34"W
Area Served: Friday Harbor, Washington
Operator/Owner: Port of Friday Harbor
Airport Type: Public
Elevation: 0 feet (0 meters)
# of Runways: 2
View all routes: Routes from FBS
More Information: FBS Maps & Info

Arrival Airport Information:

IATA / ICAO Codes: KSM / PASM
Airport Name: St. Mary's Airport
Location: St. Mary's, Alaska, United States
GPS Coordinates: 62°3'38"N by 163°18'6"W
Operator/Owner: Alaska DOT&PF
Airport Type: Public
Elevation: 312 feet (95 meters)
# of Runways: 2
View all routes: Routes from KSM
More Information: KSM Maps & Info

Facts about Friday Harbor Seaplane Base (FBS):

  • The closest airport to Friday Harbor Seaplane Base (FBS) is Friday Harbor Airport (FRD), which is located only 1 miles (2 kilometers) SSW of FBS.
  • Friday Harbor Seaplane Base (FBS) has 2 runways.
  • Because of Friday Harbor Seaplane Base's relatively low elevation of 0 feet, planes can take off or land at Friday Harbor Seaplane Base at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
  • In addition to being known as "Friday Harbor Seaplane Base", another name for FBS is "W33".
  • The furthest airport from Friday Harbor Seaplane Base (FBS) is Tôlanaro Airport (FTU), which is located 10,724 miles (17,259 kilometers) away in Tôlanaro, Madagascar.

Facts about St. Mary's Airport (KSM):

  • Because of St. Mary's Airport's relatively low elevation of 312 feet, planes can take off or land at St. Mary's Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
  • The furthest airport from St. Mary's Airport (KSM) is Cape Town International Airport (CPT), which is located 10,494 miles (16,889 kilometers) away in Cape Town, South Africa.
  • St. Mary's Airport (KSM) has 2 runways.
  • The closest airport to St. Mary's Airport (KSM) is Mountain Village Airport (MOU), which is located only 13 miles (20 kilometers) W of KSM.

Map of Nearest Airports to Friday Harbor Seaplane Base:

List of Nearest Airports to Friday Harbor Seaplane Base:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
11.25 miles (2.02 km) SSWFriday Harbor Airport (FRD)Friday Harbor, Washington, United StatesView Friday Harbor Airport on a map Set FRD as origin Airport Set FRD as destination Airport Get more information about Friday Harbor Airport
24.43 miles (7.14 km) ESEFishermans Bay/LPS Seaplane Base (LPS)Lopez Island, Washington, United StatesView Fishermans Bay/LPS Seaplane Base on a map Set LPS as origin Airport Set LPS as destination Airport Get more information about Fishermans Bay/LPS Seaplane Base
36.09 miles (9.80 km) NNEWestsound Seaplane Base (WSX)Westsound, Orcas Island, Washington, United StatesView Westsound Seaplane Base on a map Set WSX as origin Airport Set WSX as destination Airport Get more information about Westsound Seaplane Base
48.43 miles (13.56 km) NWRoche Harbor Seaplane Base (RCE)San Juan Island, Washington, United StatesView Roche Harbor Seaplane Base on a map Set RCE as origin Airport Set RCE as destination Airport Get more information about Roche Harbor Seaplane Base
58.78 miles (14.13 km) ESECenter Island Airport (CWS)Center Island, Washington, United StatesView Center Island Airport on a map Set CWS as origin Airport Set CWS as destination Airport Get more information about Center Island Airport
69.90 miles (15.93 km) NERosario Seaplane Base (RSJ)Orcas Island, Washington, United StatesView Rosario Seaplane Base on a map Set RSJ as origin Airport Set RSJ as destination Airport Get more information about Rosario Seaplane Base
712.64 miles (20.35 km) NNEOrcas Island Airport (ESD)Eastsound, Washington, United StatesView Orcas Island Airport on a map Set ESD as origin Airport Set ESD as destination Airport Get more information about Orcas Island Airport
816.11 miles (25.93 km) EAnacortes Airport (OTS)Anacortes, Washington, United StatesView Anacortes Airport on a map Set OTS as origin Airport Set OTS as destination Airport Get more information about Anacortes Airport
917.56 miles (28.26 km) NWBedwell Harbour Water Aerodrome (YBW)Bedwell Harbour, British Columbia, CanadaView Bedwell Harbour Water Aerodrome on a map Set YBW as origin Airport Set YBW as destination Airport Get more information about Bedwell Harbour Water Aerodrome
1019.02 miles (30.62 km) WSWVictoria Inner Harbour Airport (YWH)Victoria, British Columbia, CanadaView Victoria Inner Harbour Airport on a map Set YWH as origin Airport Set YWH as destination Airport Get more information about Victoria Inner Harbour Airport
1119.27 miles (31.01 km) WSWEsquimalt Airport (YPF)Esquimalt, British Columbia, CanadaView Esquimalt Airport on a map Set YPF as origin Airport Set YPF as destination Airport Get more information about Esquimalt Airport
1220.48 miles (32.96 km) WNWVictoria International Airport (YYJ)Victoria, British Columbia, CanadaView Victoria International Airport on a map Set YYJ as origin Airport Set YYJ as destination Airport Get more information about Victoria International Airport
1320.66 miles (33.25 km) SENAS Whidbey Island (NUW)Oak Harbor, Washington, United StatesView NAS Whidbey Island on a map Set NUW as origin Airport Set NUW as destination Airport Get more information about NAS Whidbey Island
1425.04 miles (40.30 km) SEA.J. Eisenberg Airport (ODW)Oak Harbor, Washington, United StatesView A.J. Eisenberg Airport on a map Set ODW as origin Airport Set ODW as destination Airport Get more information about A.J. Eisenberg Airport
1526.35 miles (42.41 km) NNWMayne Island Water Aerodrome (YAV)Miner's Bay, British Columbia, CanadaView Mayne Island Water Aerodrome on a map Set YAV as origin Airport Set YAV as destination Airport Get more information about Mayne Island Water Aerodrome

Map of Furthest Airports from Friday Harbor Seaplane Base:

List of Furthest Airports from Friday Harbor Seaplane Base:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
110,724.34 miles (17,259.11 km) SSETôlanaro Airport (FTU)Tôlanaro, MadagascarView Tôlanaro Airport on a map Set FTU as origin Airport Set FTU as destination Airport Get more information about Tôlanaro Airport
210,660.23 miles (17,155.93 km) SSEAmpanihy Airport (AMP)Ampanihy, MadagascarView Ampanihy Airport on a map Set AMP as origin Airport Set AMP as destination Airport Get more information about Ampanihy Airport
310,590.74 miles (17,044.10 km) ESEEast London Airport (ELS)East London, South AfricaView East London Airport on a map Set ELS as origin Airport Set ELS as destination Airport Get more information about East London Airport
410,583.53 miles (17,032.50 km) ESEMargate Airport (MGH)Margate, KwaZulu-Natal, South AfricaView Margate Airport on a map Set MGH as origin Airport Set MGH as destination Airport Get more information about Margate Airport
510,575.95 miles (17,020.31 km) ESEPort Alfred Airport (AFD)Port Alfred, South AfricaView Port Alfred Airport on a map Set AFD as origin Airport Set AFD as destination Airport Get more information about Port Alfred Airport
610,554.40 miles (16,985.61 km) SPierrefonds Airport (ZSE)Saint-Pierre, RéunionView Pierrefonds Airport on a map Set ZSE as origin Airport Set ZSE as destination Airport Get more information about Pierrefonds Airport
710,552.45 miles (16,982.48 km) ESEMthatha Airport (UTT)Mthatha, South AfricaView Mthatha Airport on a map Set UTT as origin Airport Set UTT as destination Airport Get more information about Mthatha Airport
810,547.22 miles (16,974.06 km) SEKing Shaka International (DUR)Durban, KwaZulu-Natal, South AfricaView King Shaka International on a map Set DUR as origin Airport Set DUR as destination Airport Get more information about King Shaka International
910,541.90 miles (16,965.49 km) ESEPort Elizabeth International Airport (PLZ)Port Elizabeth, South AfricaView Port Elizabeth International Airport on a map Set PLZ as origin Airport Set PLZ as destination Airport Get more information about Port Elizabeth International Airport
1010,536.15 miles (16,956.24 km) SERichards Bay Airport (RCB)Richards Bay, KwaZulu-Natal, South AfricaView Richards Bay Airport on a map Set RCB as origin Airport Set RCB as destination Airport Get more information about Richards Bay Airport
1110,524.81 miles (16,938.01 km) SRoland Garros Airport (RUN)St Denis, Réunion, FranceView Roland Garros Airport on a map Set RUN as origin Airport Set RUN as destination Airport Get more information about Roland Garros Airport
1210,521.82 miles (16,933.19 km) ESEPietermaritzburg Airport (PZB)Pietermaritzburg, South AfricaView Pietermaritzburg Airport on a map Set PZB as origin Airport Set PZB as destination Airport Get more information about Pietermaritzburg Airport
1310,502.17 miles (16,901.56 km) SEHluhluwe Airport (HLW)Hluhluwe, South AfricaView Hluhluwe Airport on a map Set HLW as origin Airport Set HLW as destination Airport Get more information about Hluhluwe Airport
1410,494.40 miles (16,889.05 km) SSir Seewoosagur Ramgoolam International Airport (MRU)Plaisance, MauritiusView Sir Seewoosagur Ramgoolam International Airport on a map Set MRU as origin Airport Set MRU as destination Airport Get more information about Sir Seewoosagur Ramgoolam International Airport
1510,488.68 miles (16,879.85 km) SSEMananjary Airport (MNJ)Mananjary, MadagascarView Mananjary Airport on a map Set MNJ as origin Airport Set MNJ as destination Airport Get more information about Mananjary Airport

Map of Nearest Airports to St. Mary's Airport:

List of Nearest Airports to St. Mary's Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
112.52 miles (20.15 km) WMountain Village Airport (MOU)Mountain Village, Alaska, United StatesView Mountain Village Airport on a map Set MOU as destination Airport Set MOU as destination Airport Get more information about Mountain Village Airport
215.71 miles (25.28 km) ESEPilot Station Airport (PQS)Pilot Station, Alaska, United StatesView Pilot Station Airport on a map Set PQS as destination Airport Set PQS as destination Airport Get more information about Pilot Station Airport
343.61 miles (70.18 km) ESEMarshall Don Hunter Sr. Airport (MLL)Marshall, Alaska, United StatesView Marshall Don Hunter Sr. Airport on a map Set MLL as destination Airport Set MLL as destination Airport Get more information about Marshall Don Hunter Sr. Airport
458.95 miles (94.87 km) WNWSheldon Point Airport (SXP)Sheldon Point, Alaska, United StatesView Sheldon Point Airport on a map Set SXP as destination Airport Set SXP as destination Airport Get more information about Sheldon Point Airport
561.02 miles (98.20 km) NWAlakanuk Airport (AUK)Alakanuk, Alaska, United StatesView Alakanuk Airport on a map Set AUK as destination Airport Set AUK as destination Airport Get more information about Alakanuk Airport
662.90 miles (101.24 km) NWEmmonak Airport (EMK)Emmonak, Alaska, United StatesView Emmonak Airport on a map Set EMK as destination Airport Set EMK as destination Airport Get more information about Emmonak Airport
767.40 miles (108.48 km) NKotlik Airport (KOT)Kotlik, Alaska, United StatesView Kotlik Airport on a map Set KOT as destination Airport Set KOT as destination Airport Get more information about Kotlik Airport
867.43 miles (108.52 km) ESERussian Mission Airport (RSH)Russian Mission, Alaska, United StatesView Russian Mission Airport on a map Set RSH as destination Airport Set RSH as destination Airport Get more information about Russian Mission Airport
975.21 miles (121.04 km) WScammon Bay Airport (SCM)Scammon Bay, Alaska, United StatesView Scammon Bay Airport on a map Set SCM as destination Airport Set SCM as destination Airport Get more information about Scammon Bay Airport
1083.21 miles (133.91 km) WSWChevak Airport (VAK)Chevak, Alaska, United StatesView Chevak Airport on a map Set VAK as destination Airport Set VAK as destination Airport Get more information about Chevak Airport
1184.72 miles (136.35 km) SSENunapitchuk Airport (NUP)Nunapitchuk, Alaska, United StatesView Nunapitchuk Airport on a map Set NUP as destination Airport Set NUP as destination Airport Get more information about Nunapitchuk Airport
1285.97 miles (138.35 km) SSEKasigluk Airport (KUK)Kasigluk, Alaska, United StatesView Kasigluk Airport on a map Set KUK as destination Airport Set KUK as destination Airport Get more information about Kasigluk Airport
1388.49 miles (142.42 km) WCape Romanzof Air Force Station Cape Romanzof Long Range Radar Site    (CZF)Cape Romanzof, Alaska, United StatesView Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site    on a map Set CZF as destination Airport Set CZF as destination Airport Get more information about Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site   
1489.19 miles (143.53 km) SSWNewtok Airport (WWT)Newtok, Alaska, United StatesView Newtok Airport on a map Set WWT as destination Airport Set WWT as destination Airport Get more information about Newtok Airport
1589.22 miles (143.59 km) SSEAtmautluak Airport (ATT)Atmautluak, Alaska, United StatesView Atmautluak Airport on a map Set ATT as destination Airport Set ATT as destination Airport Get more information about Atmautluak Airport

Map of Furthest Airports from St. Mary's Airport:

List of Furthest Airports from St. Mary's Airport:

RankDistance & DirectionAirport Name & IATA CodeAirport LocationFurther Actions
110,494.08 miles (16,888.54 km) SCape Town International Airport (CPT)Cape Town, South AfricaView Cape Town International Airport on a map Set CPT as destination Airport Set CPT as destination Airport Get more information about Cape Town International Airport
210,482.44 miles (16,869.80 km) SGeorge Airport (GRJ)George, South AfricaView George Airport on a map Set GRJ as destination Airport Set GRJ as destination Airport Get more information about George Airport
310,457.83 miles (16,830.21 km) SSWPort Elizabeth International Airport (PLZ)Port Elizabeth, South AfricaView Port Elizabeth International Airport on a map Set PLZ as destination Airport Set PLZ as destination Airport Get more information about Port Elizabeth International Airport
410,416.76 miles (16,764.12 km) SSWPort Alfred Airport (AFD)Port Alfred, South AfricaView Port Alfred Airport on a map Set AFD as destination Airport Set AFD as destination Airport Get more information about Port Alfred Airport
510,371.90 miles (16,691.92 km) SSWEast London Airport (ELS)East London, South AfricaView East London Airport on a map Set ELS as destination Airport Set ELS as destination Airport Get more information about East London Airport
610,261.64 miles (16,514.46 km) SSWMthatha Airport (UTT)Mthatha, South AfricaView Mthatha Airport on a map Set UTT as destination Airport Set UTT as destination Airport Get more information about Mthatha Airport
710,199.66 miles (16,414.71 km) SKleinsee Airport (KLZ)Kleinzee, South AfricaView Kleinsee Airport on a map Set KLZ as destination Airport Set KLZ as destination Airport Get more information about Kleinsee Airport
810,195.75 miles (16,408.43 km) SSWMargate Airport (MGH)Margate, KwaZulu-Natal, South AfricaView Margate Airport on a map Set MGH as destination Airport Set MGH as destination Airport Get more information about Margate Airport
910,169.94 miles (16,366.89 km) SAggeneys Airport (AGZ)Aggeneys, South AfricaView Aggeneys Airport on a map Set AGZ as destination Airport Set AGZ as destination Airport Get more information about Aggeneys Airport
1010,169.94 miles (16,366.89 km) SWild Coast Sun Airport (MZF)Mzamba, South AfricaView Wild Coast Sun Airport on a map Set MZF as destination Airport Set MZF as destination Airport Get more information about Wild Coast Sun Airport
1110,157.43 miles (16,346.75 km) SSWMafeteng Airport (MFC)Mafeteng, LesothoView Mafeteng Airport on a map Set MFC as destination Airport Set MFC as destination Airport Get more information about Mafeteng Airport
1210,151.99 miles (16,338.00 km) SSWSemonkong Airport (SOK)Semonkong, LesothoView Semonkong Airport on a map Set SOK as destination Airport Set SOK as destination Airport Get more information about Semonkong Airport
1310,149.37 miles (16,333.79 km) SSWLebakeng Airport (LEF)Lebakeng, LesothoView Lebakeng Airport on a map Set LEF as destination Airport Set LEF as destination Airport Get more information about Lebakeng Airport
1410,143.31 miles (16,324.03 km) SSWLesobeng Airport (LES)Lesobeng, LesothoView Lesobeng Airport on a map Set LES as destination Airport Set LES as destination Airport Get more information about Lesobeng Airport
1510,133.50 miles (16,308.25 km) SETeniente Rodolfo Marsh Airport (TNM)Villa Las Estrellas, AntarcticaView Teniente Rodolfo Marsh Airport on a map Set TNM as destination Airport Set TNM as destination Airport Get more information about Teniente Rodolfo Marsh Airport