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How far is Gillam from Rapid City, SD?

The distance between Rapid City (Rapid City Regional Airport) and Gillam (Gillam Airport) is 926 miles / 1491 kilometers / 805 nautical miles.

The driving distance from Rapid City (RAP) to Gillam (YGX) is 1454 miles / 2340 kilometers, and travel time by car is about 29 hours 23 minutes.

Rapid City Regional Airport – Gillam Airport

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926
Miles
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1491
Kilometers
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805
Nautical miles

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Distance from Rapid City to Gillam

There are several ways to calculate the distance from Rapid City to Gillam. Here are two standard methods:

Vincenty's formula (applied above)
  • 926.444 miles
  • 1490.967 kilometers
  • 805.058 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 925.738 miles
  • 1489.832 kilometers
  • 804.445 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Rapid City to Gillam?

The estimated flight time from Rapid City Regional Airport to Gillam Airport is 2 hours and 15 minutes.

Flight carbon footprint between Rapid City Regional Airport (RAP) and Gillam Airport (YGX)

On average, flying from Rapid City to Gillam generates about 146 kg of CO2 per passenger, and 146 kilograms equals 321 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rapid City to Gillam

See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Gillam Airport (YGX).

Airport information

Origin Rapid City Regional Airport
City: Rapid City, SD
Country: United States Flag of United States
IATA Code: RAP
ICAO Code: KRAP
Coordinates: 44°2′43″N, 103°3′25″W
Destination Gillam Airport
City: Gillam
Country: Canada Flag of Canada
IATA Code: YGX
ICAO Code: CYGX
Coordinates: 56°21′26″N, 94°42′38″W