Nonstop flight route between Rapid City, South Dakota, United States and Port Huron, Michigan, United States:
Departure Airport:

Arrival Airport:

Distance from RCA to PHN:
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- About this route
- RCA Airport Information
- PHN Airport Information
- Facts about RCA
- Facts about PHN
- Map of Nearest Airports to RCA
- List of Nearest Airports to RCA
- Map of Furthest Airports from RCA
- List of Furthest Airports from RCA
- Map of Nearest Airports to PHN
- List of Nearest Airports to PHN
- Map of Furthest Airports from PHN
- List of Furthest Airports from PHN
About this route:
A direct, nonstop flight between Ellsworth Air Force Base (RCA), Rapid City, South Dakota, United States and St. Clair County International Airport (PHN), Port Huron, Michigan, United States would travel a Great Circle distance of 1,030 miles (or 1,658 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 Ellsworth Air Force Base and St. Clair County International Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | RCA / KRCA |
Airport Names: |
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Location: | Rapid City, South Dakota, United States |
GPS Coordinates: | 44°8'47"N by 103°4'28"W |
View all routes: | Routes from RCA |
More Information: | RCA Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | PHN / KPHN |
Airport Name: | St. Clair County International Airport |
Location: | Port Huron, Michigan, United States |
GPS Coordinates: | 42°54'38"N by 82°31'44"W |
Area Served: | Port Huron, Michigan |
Operator/Owner: | St. Clair County |
Airport Type: | Public |
Elevation: | 650 feet (198 meters) |
# of Runways: | 2 |
View all routes: | Routes from PHN |
More Information: | PHN Maps & Info |
Facts about Ellsworth Air Force Base (RCA):
- In addition to being known as "Ellsworth Air Force Base", another name for RCA is "Ellsworth AFB".
- The closest airport to Ellsworth Air Force Base (RCA) is Rapid City Regional Airport (RAP), which is located only 7 miles (11 kilometers) S of RCA.
- Ellsworth AFB is 10 miles east of Rapid City, S.D.
- On 2 January 1942, the U.S.
- On 1 June 1971, SAC deactivated the 821st Strategic Aerospace Division and by October of that year, an upgraded LGM-30F Minuteman II also replaced the Minuteman I missiles.
- Air Defense Command activated the 740th Aircraft Control and Warning Squadron at Rapid City AFB on 1 February 1953 under the ADC 31st Air Division.
- The installation changed names a few more times during its early years.
- The 740th AC&W Squadron began operations in 1955 with AN/MPS-7 search radar, and initially the station functioned as a Ground-Control Intercept and warning station.
- The furthest airport from Ellsworth Air Force Base (RCA) is Sir Gaëtan Duval Airport (RRG), which is located 10,579 miles (17,026 kilometers) away in Rodrigues Island, Mauritius.
Facts about St. Clair County International Airport (PHN):
- Because of St. Clair County International Airport's relatively low elevation of 650 feet, planes can take off or land at St. Clair County 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 St. Clair County International Airport (PHN) is Margaret River Airport (MGV), which is located 11,302 miles (18,189 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to St. Clair County International Airport (PHN) is Sarnia (Chris Hadfield) Airport (YZR), which is located only 13 miles (20 kilometers) ENE of PHN.
- St. Clair County International Airport (PHN) has 2 runways.