Nonstop flight route between Portsmouth, Ohio, United States and Clinton, Oklahoma, United States:
Departure Airport:

Arrival Airport:

Distance from PMH to CSM:
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- About this route
- PMH Airport Information
- CSM Airport Information
- Facts about PMH
- Facts about CSM
- Map of Nearest Airports to PMH
- List of Nearest Airports to PMH
- Map of Furthest Airports from PMH
- List of Furthest Airports from PMH
- Map of Nearest Airports to CSM
- List of Nearest Airports to CSM
- Map of Furthest Airports from CSM
- List of Furthest Airports from CSM
About this route:
A direct, nonstop flight between Greater Portsmouth Regional Airport (PMH), Portsmouth, Ohio, United States and Clinton-Sherman Industrial Airpark (CSM), Clinton, Oklahoma, United States would travel a Great Circle distance of 932 miles (or 1,500 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 Greater Portsmouth Regional Airport and Clinton-Sherman Industrial Airpark, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | PMH / KPMH |
Airport Name: | Greater Portsmouth Regional Airport |
Location: | Portsmouth, Ohio, United States |
GPS Coordinates: | 38°50'26"N by 82°50'49"W |
Area Served: | Portsmouth, Ohio |
Operator/Owner: | Scioto County Airport Authority |
Airport Type: | Public |
Elevation: | 663 feet (202 meters) |
# of Runways: | 1 |
View all routes: | Routes from PMH |
More Information: | PMH Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | CSM / KCSM |
Airport Name: | Clinton-Sherman Industrial Airpark |
Location: | Clinton, Oklahoma, United States |
GPS Coordinates: | 35°20'22"N by 99°12'2"W |
Area Served: | Clinton, Oklahoma |
Operator/Owner: | Oklahoma Space Industry Development Authority |
Airport Type: | Public |
Elevation: | 1922 feet (586 meters) |
# of Runways: | 2 |
View all routes: | Routes from CSM |
More Information: | CSM Maps & Info |
Facts about Greater Portsmouth Regional Airport (PMH):
- Because of Greater Portsmouth Regional Airport's relatively low elevation of 663 feet, planes can take off or land at Greater Portsmouth 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.
- The closest airport to Greater Portsmouth Regional Airport (PMH) is Lawrence County Airpark (HTW), which is located 35 miles (56 kilometers) SSE of PMH.
- Greater Portsmouth Regional Airport (PMH) currently has only 1 runway.
- Greater Portsmouth Regional Airport covers an area of 246 acres at an elevation of 663 feet above mean sea level.
- The furthest airport from Greater Portsmouth Regional Airport (PMH) is Margaret River Airport (MGV), which is located 11,385 miles (18,322 kilometers) away in Margaret River, Western Australia, Australia.
Facts about Clinton-Sherman Industrial Airpark (CSM):
- Clinton-Sherman Industrial Airpark (CSM) has 2 runways.
- The United States Navy established a naval air station on 5,000 acres at this location in 1942 to train pilots during World War II.
- The furthest airport from Clinton-Sherman Industrial Airpark (CSM) is Sir Gaëtan Duval Airport (RRG), which is located 10,925 miles (17,582 kilometers) away in Rodrigues Island, Mauritius.
- One company, Rocketplane Kistler, formerly based in Oklahoma, had plans to build a spacecraft and, as of 2006, had plans to offer commercial space flights from the Oklahoma Spaceport by 2009.
- The closest airport to Clinton-Sherman Industrial Airpark (CSM) is Clinton Regional Airport (CLK), which is located 20 miles (33 kilometers) NE of CSM.