Nonstop flight route between Gulfport, Mississippi, United States and St. Mary's, Alaska, United States:
Departure Airport:
(30°24'25"N by 89°4'11"W)
Arrival Airport:
(62°3'38"N by 163°18'6"W)
Distance from GPT to KSM:
3,879.89 miles (6,244.06 km)
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Jump to:
- About this route
- GPT Airport Information
- KSM Airport Information
- Facts about GPT
- Facts about KSM
- Map of Nearest Airports to GPT
- List of Nearest Airports to GPT
- Map of Furthest Airports from GPT
- List of Furthest Airports from GPT
- Map of Nearest Airports to KSM
- List of Nearest Airports to KSM
- Map of Furthest Airports from KSM
- List of Furthest Airports from KSM
About this route:
A direct, nonstop flight between Gulfport–Biloxi International Airport (GPT), Gulfport, Mississippi, United States and St. Mary's Airport (KSM), St. Mary's, Alaska, United States would travel a Great Circle distance of 3,880 miles (or 6,244 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 large distance between Gulfport–Biloxi International Airport and St. Mary's Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Gulfport–Biloxi International Airport and St. Mary's Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | GPT / KGPT |
| Airport Name: | Gulfport–Biloxi International Airport |
| Location: | Gulfport, Mississippi, United States |
| GPS Coordinates: | 30°24'25"N by 89°4'11"W |
| Area Served: | Gulfport–Biloxi metropolitan area |
| Operator/Owner: | Gulfport–Biloxi Regional Airport Authority |
| Airport Type: | Public |
| Elevation: | 28 feet (9 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from GPT |
| More Information: | GPT 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 Gulfport–Biloxi International Airport (GPT):
- The furthest airport from Gulfport–Biloxi International Airport (GPT) is Cocos (Keeling) Island Airport (CCK), which is located 11,123 miles (17,900 kilometers) away in Cocos Islands, Australia.
- Because of Gulfport–Biloxi International Airport's relatively low elevation of 28 feet, planes can take off or land at Gulfport–Biloxi International 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 airport was originally constructed in 1942 by the United States Army Air Forces as a training base for Air Corps Flying Training Command.
- Through the late 1970s, Southern Airways continued as the primary airline, followed by successors Republic Airlines and Northwest Airlines into the 1990s.
- The closest airport to Gulfport–Biloxi International Airport (GPT) is Keesler Air Force Base (BIX), which is located only 9 miles (14 kilometers) E of GPT.
- Gulfport–Biloxi International Airport (GPT) has 2 runways.
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 closest airport to St. Mary's Airport (KSM) is Mountain Village Airport (MOU), which is located only 13 miles (20 kilometers) W of KSM.
- 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.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 8.73 miles (14.05 km) E | Keesler Air Force Base (BIX) | Biloxi, Mississippi, United States |     |
| 2 | 32.45 miles (52.22 km) E | Trent Lott International Airport (PGL) | Pascagoula, Mississippi, United States | |
| 3 | 52.99 miles (85.28 km) ENE | Mobile Regional Airport (MOB) | Mobile, Alabama, United States | |
| 4 | 60.25 miles (96.96 km) N | Hattiesburg Bobby L. Chain Municipal Airport (HBG) | Hattiesburg, Mississippi, United States | |
| 5 | 61.53 miles (99.03 km) ENE | Mobile Downtown Airport (BFM) | Mobile, Alabama, United States | |
| 6 | 62.52 miles (100.61 km) WSW | Lakefront Airport (NEW) | New Orleans, Louisiana, United States | |
| 7 | 68.08 miles (109.57 km) WSW | Southern Seaplane Airport (BCS) | Belle Chasse, Louisiana, United States | |
| 8 | 70.31 miles (113.15 km) SW | Naval Air Station Joint Reserve Base New Orleans (NBG) | New Orleans, Louisiana, United States | |
| 9 | 74.93 miles (120.58 km) NNW | Hattiesburg–Laurel Regional Airport (PIB) | Hattiesburg/Laurel, Mississippi, United States | |
| 10 | 76.49 miles (123.10 km) WSW | Louis Armstrong New Orleans International Airport (MSY) | New Orleans, Louisiana, United States | |
| 11 | 83.77 miles (134.81 km) E | Jack Edwards Airport (GUF) | Gulf Shores, Alabama, United States | |
| 12 | 85.51 miles (137.62 km) E | NOLF Barin (NHX) | Foley, Alabama, United States | |
| 13 | 87.67 miles (141.09 km) N | Hesler-Noble Field (LUL) | Laurel, Mississippi, United States | |
| 14 | 98.80 miles (159.01 km) WNW | McComb-Pike County Airport (MCB) | McComb, Mississippi, United States | |
| 15 | 103.26 miles (166.18 km) E | NOLF Saufley Field (NUN) | Pensacola, Florida, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,122.63 miles (17,900.10 km) SSW | Cocos (Keeling) Island Airport (CCK) | Cocos Islands, Australia | |
| 2 | 11,024.96 miles (17,742.91 km) W | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |
| 3 | 11,017.75 miles (17,731.31 km) W | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 4 | 11,006.64 miles (17,713.43 km) W | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 5 | 11,005.83 miles (17,712.11 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 6 | 11,001.17 miles (17,704.62 km) W | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 7 | 10,996.28 miles (17,696.75 km) W | Carnarvon Airport (CVQ) | Carnarvon, Western Australia, Australia | |
| 8 | 10,989.40 miles (17,685.67 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 9 | 10,981.41 miles (17,672.82 km) W | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 10 | 10,974.14 miles (17,661.12 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 11 | 10,961.66 miles (17,641.05 km) W | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 12 | 10,956.20 miles (17,632.26 km) W | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 13 | 10,954.21 miles (17,629.05 km) W | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 14 | 10,945.10 miles (17,614.39 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 15 | 10,933.19 miles (17,595.22 km) W | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12.52 miles (20.15 km) W | Mountain Village Airport (MOU) | Mountain Village, Alaska, United States | |
| 2 | 15.71 miles (25.28 km) ESE | Pilot Station Airport (PQS) | Pilot Station, Alaska, United States | |
| 3 | 43.61 miles (70.18 km) ESE | Marshall Don Hunter Sr. Airport (MLL) | Marshall, Alaska, United States | |
| 4 | 58.95 miles (94.87 km) WNW | Sheldon Point Airport (SXP) | Sheldon Point, Alaska, United States | |
| 5 | 61.02 miles (98.20 km) NW | Alakanuk Airport (AUK) | Alakanuk, Alaska, United States | |
| 6 | 62.90 miles (101.24 km) NW | Emmonak Airport (EMK) | Emmonak, Alaska, United States | |
| 7 | 67.40 miles (108.48 km) N | Kotlik Airport (KOT) | Kotlik, Alaska, United States | |
| 8 | 67.43 miles (108.52 km) ESE | Russian Mission Airport (RSH) | Russian Mission, Alaska, United States | |
| 9 | 75.21 miles (121.04 km) W | Scammon Bay Airport (SCM) | Scammon Bay, Alaska, United States | |
| 10 | 83.21 miles (133.91 km) WSW | Chevak Airport (VAK) | Chevak, Alaska, United States | |
| 11 | 84.72 miles (136.35 km) SSE | Nunapitchuk Airport (NUP) | Nunapitchuk, Alaska, United States | |
| 12 | 85.97 miles (138.35 km) SSE | Kasigluk Airport (KUK) | Kasigluk, Alaska, United States | |
| 13 | 88.49 miles (142.42 km) W | Cape Romanzof Air Force Station Cape Romanzof Long Range Radar Site (CZF) | Cape Romanzof, Alaska, United States | |
| 14 | 89.19 miles (143.53 km) SSW | Newtok Airport (WWT) | Newtok, Alaska, United States | |
| 15 | 89.22 miles (143.59 km) SSE | Atmautluak Airport (ATT) | Atmautluak, Alaska, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,494.08 miles (16,888.54 km) S | Cape Town International Airport (CPT) | Cape Town, South Africa | |
| 2 | 10,482.44 miles (16,869.80 km) S | George Airport (GRJ) | George, South Africa | |
| 3 | 10,457.83 miles (16,830.21 km) SSW | Port Elizabeth International Airport (PLZ) | Port Elizabeth, South Africa | |
| 4 | 10,416.76 miles (16,764.12 km) SSW | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 5 | 10,371.90 miles (16,691.92 km) SSW | East London Airport (ELS) | East London, South Africa | |
| 6 | 10,261.64 miles (16,514.46 km) SSW | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 7 | 10,199.66 miles (16,414.71 km) S | Kleinsee Airport (KLZ) | Kleinzee, South Africa | |
| 8 | 10,195.75 miles (16,408.43 km) SSW | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 9 | 10,169.94 miles (16,366.89 km) S | Aggeneys Airport (AGZ) | Aggeneys, South Africa | |
| 10 | 10,169.94 miles (16,366.89 km) S | Wild Coast Sun Airport (MZF) | Mzamba, South Africa | |
| 11 | 10,157.43 miles (16,346.75 km) SSW | Mafeteng Airport (MFC) | Mafeteng, Lesotho | |
| 12 | 10,151.99 miles (16,338.00 km) SSW | Semonkong Airport (SOK) | Semonkong, Lesotho | |
| 13 | 10,149.37 miles (16,333.79 km) SSW | Lebakeng Airport (LEF) | Lebakeng, Lesotho | |
| 14 | 10,143.31 miles (16,324.03 km) SSW | Lesobeng Airport (LES) | Lesobeng, Lesotho | |
| 15 | 10,133.50 miles (16,308.25 km) SE | Teniente Rodolfo Marsh Airport (TNM) | Villa Las Estrellas, Antarctica | |