Nonstop flight route between Kelso, Washington, United States and Philadelphia, Pennsylvania, United States:
Departure Airport:
(46°7'5"N by 122°53'53"W)
Arrival Airport:
(39°52'18"N by 75°14'27"W)
Distance from KLS to PHL:
2,409.63 miles (3,877.92 km)
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- About this route
- KLS Airport Information
- PHL Airport Information
- Facts about KLS
- Facts about PHL
- Map of Nearest Airports to KLS
- List of Nearest Airports to KLS
- Map of Furthest Airports from KLS
- List of Furthest Airports from KLS
- Map of Nearest Airports to PHL
- List of Nearest Airports to PHL
- Map of Furthest Airports from PHL
- List of Furthest Airports from PHL
About this route:
A direct, nonstop flight between Southwest Washington Regional Airport (KLS), Kelso, Washington, United States and Philadelphia International Airport (PHL), Philadelphia, Pennsylvania, United States would travel a Great Circle distance of 2,410 miles (or 3,878 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 Southwest Washington Regional Airport and Philadelphia International Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | KLS / KKLS |
| Airport Name: | Southwest Washington Regional Airport |
| Location: | Kelso, Washington, United States |
| GPS Coordinates: | 46°7'5"N by 122°53'53"W |
| Area Served: | Longview-Kelso Metropolitan Area |
| Operator/Owner: | City of Kelso |
| Airport Type: | Public |
| Elevation: | 20 feet (6 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from KLS |
| More Information: | KLS Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | PHL / KPHL |
| Airport Name: | Philadelphia International Airport |
| Location: | Philadelphia, Pennsylvania, United States |
| GPS Coordinates: | 39°52'18"N by 75°14'27"W |
| Area Served: | Delaware Valley |
| Operator/Owner: | City of Philadelphia |
| Airport Type: | Public |
| Elevation: | 36 feet (11 meters) |
| # of Runways: | 4 |
| View all routes: | Routes from PHL |
| More Information: | PHL Maps & Info |
Facts about Southwest Washington Regional Airport (KLS):
- Because of Southwest Washington Regional Airport's relatively low elevation of 20 feet, planes can take off or land at Southwest Washington Regional 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.
- Southwest Washington Regional Airport (KLS) currently has only 1 runway.
- The furthest airport from Southwest Washington Regional Airport (KLS) is Tôlanaro Airport (FTU), which is located 10,876 miles (17,503 kilometers) away in Tôlanaro, Madagascar.
- The closest airport to Southwest Washington Regional Airport (KLS) is South Lewis County Airport (TDO), which is located 25 miles (41 kilometers) N of KLS.
Facts about Philadelphia International Airport (PHL):
- Philadelphia International Airport (PHL) has 4 runways.
- The closest airport to Philadelphia International Airport (PHL) is Philadelphia Seaplane BaseChandler Field (PSQ), which is located only 3 miles (5 kilometers) WSW of PHL.
- As a benefit to students, local schools including The University of Pennsylvania, Villanova University, Swarthmore College, Haverford College and Saint Joseph's University traditionally operate transportation shuttles to the airport during heavy travel periods such as spring and Thanksgiving breaks.
- During 1945 the Air Force reduced its use of the airport and it was returned to civil control that September.
- Because of Philadelphia International Airport's relatively low elevation of 36 feet, planes can take off or land at Philadelphia 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 furthest airport from Philadelphia International Airport (PHL) is Margaret River Airport (MGV), which is located 11,734 miles (18,884 kilometers) away in Margaret River, Western Australia, Australia.
- Such growth has not come without difficulties.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 25.20 miles (40.56 km) N | South Lewis County Airport (TDO) | Toledo, Washington, United States |     |
| 2 | 39.34 miles (63.31 km) SSE | Portland International Airport (PDX) | Portland, Oregon, United States | |
| 3 | 39.99 miles (64.36 km) S | Portland-Hillsboro Airport (HIO) | Hillsboro / Portland, Oregon, United States | |
| 4 | 46.01 miles (74.04 km) SSE | Portland-Troutdale Airport (TTD) | Portland, Oregon, United States | |
| 5 | 47.01 miles (75.66 km) W | Astoria Regional Airport (AST) | Astoria, Oregon, United States | |
| 6 | 57.72 miles (92.89 km) ESE | Cascade Locks State Airport (CZK) | Cascade Locks, Oregon, United States | |
| 7 | 58.83 miles (94.67 km) N | Olympia Regional Airport (OLM) | Olympia, Washington, United States | |
| 8 | 68.10 miles (109.59 km) NNE | Gray Army Airfield (GRF) | Tacoma, Washington, United States | |
| 9 | 73.24 miles (117.88 km) NNE | McChord Field/McChord AFB (TCM) | Tacoma, Washington, United States | |
| 10 | 76.87 miles (123.70 km) NW | Bowerman Airport (HQM) | Hoquiam, Washington, United States | |
| 11 | 77.98 miles (125.49 km) N | Sanderson Field (SHN) | Shelton, Washington, United States | |
| 12 | 80.89 miles (130.19 km) N | Tacoma Narrows Airport (TIW) | Tacoma, Washington, United States | |
| 13 | 81.64 miles (131.39 km) SW | Pacific City State Airport (PFC) | Pacific City, Oregon, United States | |
| 14 | 83.66 miles (134.64 km) S | McNary Field (SLE) | Salem, Oregon, United States | |
| 15 | 90.15 miles (145.08 km) ESE | Columbia Gorge Regional Airport (DLS) | The Dalles, Oregon, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,875.78 miles (17,502.83 km) SSE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 2 | 10,805.79 miles (17,390.18 km) SSE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 3 | 10,720.93 miles (17,253.62 km) S | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 4 | 10,691.41 miles (17,206.11 km) S | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 5 | 10,661.62 miles (17,158.17 km) S | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 6 | 10,660.63 miles (17,156.58 km) ESE | Margate Airport (MGH) | Margate, KwaZulu-Natal, South Africa | |
| 7 | 10,649.46 miles (17,138.61 km) ESE | East London Airport (ELS) | East London, South Africa | |
| 8 | 10,645.98 miles (17,133.01 km) SSE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |
| 9 | 10,641.31 miles (17,125.48 km) SSE | Fianarantsoa Airport (WFI) | Fianarantsoa, Madagascar | |
| 10 | 10,631.92 miles (17,110.37 km) ESE | King Shaka International (DUR) | Durban, KwaZulu-Natal, South Africa | |
| 11 | 10,629.07 miles (17,105.79 km) ESE | Port Alfred Airport (AFD) | Port Alfred, South Africa | |
| 12 | 10,627.57 miles (17,103.37 km) ESE | Richards Bay Airport (RCB) | Richards Bay, KwaZulu-Natal, South Africa | |
| 13 | 10,620.73 miles (17,092.37 km) ESE | Mthatha Airport (UTT) | Mthatha, South Africa | |
| 14 | 10,605.30 miles (17,067.54 km) SSE | Andavadoaka Airport (DVD) | Andavadoaka, Toliara province, Atsimo-Andrefana region, Madagascar | |
| 15 | 10,603.83 miles (17,065.16 km) ESE | Pietermaritzburg Airport (PZB) | Pietermaritzburg, South Africa | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 3.22 miles (5.18 km) WSW | Philadelphia Seaplane BaseChandler Field (PSQ) | Essington, Pennsylvania, United States | |
| 2 | 18.39 miles (29.60 km) N | Wings Field (BBX) | Blue Bell, Pennsylvania, United States | |
| 3 | 18.96 miles (30.52 km) NE | Northeast Philadelphia Airport (PNE) | Philadelphia, Pennsylvania, United States | |
| 4 | 19.81 miles (31.89 km) WNW | Brandywine Airport (OQN) | West Chester, Pennsylvania, United States | |
| 5 | 21.51 miles (34.62 km) ENE | South Jersey Regional Airport (LLY) | Mount Holly, New Jersey, United States | |
| 6 | 23.18 miles (37.30 km) NNE | NAS JRB Willow Grove (NXX) | Willow Grove, Pennsylvania, United States | |
| 7 | 23.56 miles (37.92 km) SW | Wilmington/Philadelphia Regional Airport (ILG) | Wilmington, Delaware, United States | |
| 8 | 30.38 miles (48.90 km) NNW | Heritage Field (PTW) | Pottstown, Pennsylvania, United States | |
| 9 | 32.48 miles (52.27 km) N | Doylestown Airport (DYL) | Doylestown, Pennsylvania, United States | |
| 10 | 33.90 miles (54.56 km) WNW | Chester County G. O. Carlson Airport (CTH) | Coatesville, Pennsylvania, United States | |
| 11 | 35.80 miles (57.62 km) ENE | McGuire AFB (WRI) | Wrightstown, New Jersey, United States | |
| 12 | 35.97 miles (57.88 km) NE | Trenton-Mercer Airport (TTN) | Trenton, New Jersey, United States | |
| 13 | 35.98 miles (57.90 km) SSE | Millville Municipal Airport (MIV) | Millville, New Jersey, United States | |
| 14 | 39.69 miles (63.87 km) N | Quakertown Airport (UKT) | Quakertown, Pennsylvania, United States | |
| 15 | 45.46 miles (73.16 km) SE | Atlantic City International Airport (ACY) | Atlantic City, New Jersey, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,734.02 miles (18,884.02 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 11,710.07 miles (18,845.48 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 11,700.29 miles (18,829.74 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 11,684.19 miles (18,803.84 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 5 | 11,644.81 miles (18,740.45 km) WSW | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 6 | 11,626.12 miles (18,710.39 km) SW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 7 | 11,616.28 miles (18,694.54 km) SW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 8 | 11,606.72 miles (18,679.15 km) WSW | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 9 | 11,605.10 miles (18,676.55 km) SW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 10 | 11,557.20 miles (18,599.47 km) SW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 11,485.41 miles (18,483.92 km) SW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 12 | 11,461.50 miles (18,445.46 km) SW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 13 | 11,439.24 miles (18,409.63 km) SW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 14 | 11,435.24 miles (18,403.19 km) SW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 15 | 11,402.47 miles (18,350.45 km) WSW | Esperance Airport (EPR) | Esperance, Australia | |