Nonstop flight route between White Plains, New York, United States and Leonardtown, Maryland, United States:
Departure Airport:
(41°4'0"N by 73°42'26"W)
Arrival Airport:
(38°18'55"N by 76°32'59"W)
Distance from HPN to LTW:
242.84 miles (390.81 km)
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Jump to:
- About this route
- HPN Airport Information
- LTW Airport Information
- Facts about HPN
- Facts about LTW
- Map of Nearest Airports to HPN
- List of Nearest Airports to HPN
- Map of Furthest Airports from HPN
- List of Furthest Airports from HPN
- Map of Nearest Airports to LTW
- List of Nearest Airports to LTW
- Map of Furthest Airports from LTW
- List of Furthest Airports from LTW
About this route:
A direct, nonstop flight between Westchester County Airport (HPN), White Plains, New York, United States and St. Mary's County Regional Airport (LTW), Leonardtown, Maryland, United States would travel a Great Circle distance of 243 miles (or 391 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 Westchester County Airport and St. Mary's County Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | HPN / KHPN |
| Airport Name: | Westchester County Airport |
| Location: | White Plains, New York, United States |
| GPS Coordinates: | 41°4'0"N by 73°42'26"W |
| Area Served: | Westchester County, New York, Fairfield County, Connecticut |
| Operator/Owner: | County of Westchester |
| Airport Type: | Public-use |
| Elevation: | 439 feet (134 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from HPN |
| More Information: | HPN Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | LTW / |
| Airport Names: |
|
| Location: | Leonardtown, Maryland, United States |
| GPS Coordinates: | 38°18'55"N by 76°32'59"W |
| Airport Type: | Public |
| Elevation: | 142 feet (43 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from LTW |
| More Information: | LTW Maps & Info |
Facts about Westchester County Airport (HPN):
- The closest airport to Westchester County Airport (HPN) is Flushing Airport (closed 1984) (FLU), which is located 21 miles (34 kilometers) SSW of HPN.
- Westchester County Airport (HPN) has 2 runways.
- The airport's environmental management practices are monitored through the AEMS, an ISO 14001 certified Airport Environmental Management System.
- Westchester County Airport is also the current home of the New York Wing of the United States Civil Air Patrol, as well as the Southeastern Group of the New York Wing.
- The first scheduled airline flights were American Airlines in late 1949.
- The furthest airport from Westchester County Airport (HPN) is Margaret River Airport (MGV), which is located 11,747 miles (18,906 kilometers) away in Margaret River, Western Australia, Australia.
- Because of Westchester County Airport's relatively low elevation of 439 feet, planes can take off or land at Westchester County 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.
- Westchester County Airport was built during World War II in 1942 as a home to an Air National Guard unit to protect New York City and Rye Lake, part of the city's water supply system.
- The airport is presently served by six airlines.
Facts about St. Mary's County Regional Airport (LTW):
- The furthest airport from St. Mary's County Regional Airport (LTW) is Margaret River Airport (MGV), which is located 11,720 miles (18,862 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to St. Mary's County Regional Airport (LTW) is Naval Air Station Patuxent River (NHK), which is located only 8 miles (12 kilometers) ESE of LTW.
- Because of St. Mary's County Regional Airport's relatively low elevation of 142 feet, planes can take off or land at St. Mary's County 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.
- In addition to being known as "St. Mary's County Regional Airport", other names for LTW include "Capt. Walter Francis Duke Regional Airport", "none" and "2W6".
- St. Mary's County Regional Airport (LTW) currently has only 1 runway.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 20.94 miles (33.70 km) SSW | Flushing Airport (closed 1984) (FLU) | Flushing, New York, United States |     |
| 2 | 21.79 miles (35.07 km) SSW | LaGuardia Airport (LGA) | New York City, New York, United States | |
| 3 | 23.76 miles (38.24 km) SW | Teterboro Airport (TEB) | Teterboro, New Jersey, United States | |
| 4 | 24.09 miles (38.77 km) NNE | Danbury Municipal Airport (DXR) | Danbury, Connecticut, United States | |
| 5 | 26.33 miles (42.37 km) SSW | East 34th Street Heliport (TSS) | New York City, United States | |
| 6 | 26.64 miles (42.88 km) SW | West 30th Street Heliport (JRA) | New York City, New York, United States | |
| 7 | 26.86 miles (43.23 km) SSW | New York Skyports Inc. Seaplane Base (QNY) | New York City, New York, United States | |
| 8 | 27.96 miles (44.99 km) SSE | Republic Airport (FRG) | East Farmingdale, New York, United States | |
| 9 | 29.75 miles (47.88 km) S | John F. Kennedy International Airport (JFK) | New York City, New York, United States | |
| 10 | 29.78 miles (47.92 km) SSW | Downtown Manhattan Heliport (JRB) | New York City, New York, United States | |
| 11 | 30.99 miles (49.87 km) ENE | Igor I. Sikorsky Memorial Airport (BDR) | Bridgeport, Connecticut, United States | |
| 12 | 32.74 miles (52.68 km) WSW | Essex County Airport (CDW) | Caldwell, New Jersey, United States | |
| 13 | 35.35 miles (56.89 km) SW | Newark Liberty International Airport (EWR) | Newark/Elizabeth, New Jersey, United States | |
| 14 | 36.58 miles (58.87 km) NW | Stewart International Airport (SWF) | Newburgh, New York, United States | |
| 15 | 36.84 miles (59.28 km) ESE | Long Island MacArthur Airport (HAP) | Long Island, Queensland, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,747.41 miles (18,905.58 km) SW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 11,723.42 miles (18,866.97 km) SW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 11,722.84 miles (18,866.04 km) SW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 11,696.87 miles (18,824.24 km) SW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 5 | 11,681.45 miles (18,799.42 km) WSW | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 6 | 11,632.86 miles (18,721.22 km) SW | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 7 | 11,628.25 miles (18,713.80 km) SW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 8 | 11,621.13 miles (18,702.35 km) SW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 9 | 11,609.46 miles (18,683.57 km) SW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 10 | 11,546.34 miles (18,581.98 km) SW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 11,465.33 miles (18,451.61 km) SSW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 12 | 11,451.19 miles (18,428.86 km) SW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 13 | 11,445.39 miles (18,419.53 km) WSW | Esperance Airport (EPR) | Esperance, Australia | |
| 14 | 11,422.74 miles (18,383.07 km) SW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 11,408.16 miles (18,359.61 km) SSW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 7.77 miles (12.50 km) ESE | Naval Air Station Patuxent River (NHK) | Patuxent River, Maryland, United States | |
| 2 | 32.11 miles (51.68 km) ENE | Cambridge–Dorchester Airport (CGE) | Cambridge, Maryland, United States | |
| 3 | 38.28 miles (61.61 km) NNW | Andrews Field (ADW) | Camp Springs, Maryland, United States | |
| 4 | 42.62 miles (68.59 km) NE | Easton Airport (ESN) | Easton, Maryland, United States | |
| 5 | 43.37 miles (69.79 km) N | Lee Airport (ANP) | Annapolis, Maryland, United States | |
| 6 | 43.90 miles (70.64 km) NW | Davison Army Airfield (DAA) | Fort Belvoir, Virginia, United States | |
| 7 | 44.30 miles (71.29 km) NW | Bolling Air Force Base (BOF) | Washington, D.C., United States | |
| 8 | 45.06 miles (72.52 km) WSW | A.P. Hill Army Airfield (APH) | Fort A.P. Hill, Virginia, United States | |
| 9 | 45.50 miles (73.23 km) NW | Ronald Reagan Washington National Airport (DCA) | Arlington County, Virginia (near Washington, D.C.), United States | |
| 10 | 50.17 miles (80.73 km) NNW | College Park Airport (CGS) | College Park, Maryland, United States | |
| 11 | 54.39 miles (87.53 km) NNW | Tipton Airport (FME) | Odenton, Maryland, United States | |
| 12 | 56.43 miles (90.81 km) E | Salisbury-Ocean City: Wicomico Regional Airport (SBY) | Salisbury, Maryland, United States | |
| 13 | 59.26 miles (95.37 km) WNW | Manassas Regional Airport (HEF) | Manassas, Virginia, United States | |
| 14 | 59.26 miles (95.37 km) WNW | Manassas Regional Airport (MNZ) | Manassas, Virginia, United States | |
| 15 | 59.76 miles (96.18 km) N | Baltimore/Washington International Thurgood Marshall Airport (BWI) | between Baltimore, Maryland and Washington, D.C., United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,720.20 miles (18,861.79 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 11,697.03 miles (18,824.49 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 11,677.51 miles (18,793.08 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 11,672.64 miles (18,785.24 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 5 | 11,627.72 miles (18,712.96 km) WSW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 6 | 11,615.07 miles (18,692.60 km) WSW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 7 | 11,608.24 miles (18,681.61 km) WSW | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 8 | 11,604.71 miles (18,675.92 km) WSW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 9 | 11,582.36 miles (18,639.95 km) WSW | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 10 | 11,574.88 miles (18,627.91 km) SW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 11,514.80 miles (18,531.23 km) SW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 12 | 11,480.32 miles (18,475.74 km) SW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 13 | 11,473.35 miles (18,464.52 km) SW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 14 | 11,465.36 miles (18,451.67 km) SW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 11,395.33 miles (18,338.97 km) SW | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |