Nonstop flight route between Portsmouth, New Hampshire, United States and Walterboro, South Carolina, United States:
Departure Airport:

Arrival Airport:

Distance from PSM to RBW:
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- About this route
- PSM Airport Information
- RBW Airport Information
- Facts about PSM
- Facts about RBW
- Map of Nearest Airports to PSM
- List of Nearest Airports to PSM
- Map of Furthest Airports from PSM
- List of Furthest Airports from PSM
- Map of Nearest Airports to RBW
- List of Nearest Airports to RBW
- Map of Furthest Airports from RBW
- List of Furthest Airports from RBW
About this route:
A direct, nonstop flight between Portsmouth International Airport at Pease (PSM), Portsmouth, New Hampshire, United States and Lowcountry Regional Airport (RBW), Walterboro, South Carolina, United States would travel a Great Circle distance of 881 miles (or 1,418 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 Portsmouth International Airport at Pease and Lowcountry Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | PSM / KPSM |
Airport Name: | Portsmouth International Airport at Pease |
Location: | Portsmouth, New Hampshire, United States |
GPS Coordinates: | 43°4'41"N by 70°49'23"W |
Area Served: | Portsmouth, New Hampshire |
Operator/Owner: | Pease Development Authority |
Airport Type: | Public / Military |
Elevation: | 100 feet (30 meters) |
# of Runways: | 1 |
View all routes: | Routes from PSM |
More Information: | PSM Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | RBW / KRBW |
Airport Names: |
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Location: | Walterboro, South Carolina, United States |
GPS Coordinates: | 32°55'15"N by 80°38'26"W |
Area Served: | Walterboro, South Carolina |
Operator/Owner: | City of Walterboro & Colleton County |
Airport Type: | Public |
Elevation: | 101 feet (31 meters) |
# of Runways: | 3 |
View all routes: | Routes from RBW |
More Information: | RBW Maps & Info |
Facts about Portsmouth International Airport at Pease (PSM):
- The closest airport to Portsmouth International Airport at Pease (PSM) is Sanford Seacoast Regional Airport (SFM), which is located 23 miles (36 kilometers) NNE of PSM.
- Pease was one of 7 Launch Abort Sites and one of 18 Emergency Landing Sites for NASA space shuttle orbiters.
- Portsmouth International Airport at Pease (PSM) currently has only 1 runway.
- Because of Portsmouth International Airport at Pease's relatively low elevation of 100 feet, planes can take off or land at Portsmouth International Airport at Pease 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 Portsmouth International Airport at Pease (PSM) is Margaret River Airport (MGV), which is located 11,729 miles (18,875 kilometers) away in Margaret River, Western Australia, Australia.
Facts about Lowcountry Regional Airport (RBW):
- The furthest airport from Lowcountry Regional Airport (RBW) is Margaret River Airport (MGV), which is located 11,527 miles (18,551 kilometers) away in Margaret River, Western Australia, Australia.
- Because of Lowcountry Regional Airport's relatively low elevation of 101 feet, planes can take off or land at Lowcountry 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 "Lowcountry Regional Airport", another name for RBW is "Walterboro Army Airfield".
- The airport was dedicated June 15, 1933 as the C.C.
- The closest airport to Lowcountry Regional Airport (RBW) is Charleston International Airport (CHS), which is located 35 miles (56 kilometers) E of RBW.
- The base closed on October 31, 1945 and returned to its origins as a local airfield.
- Lowcountry Regional Airport (RBW) has 3 runways.