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How far is Round Lake from Rapid City, SD?

The distance between Rapid City (Rapid City Regional Airport) and Round Lake (Round Lake (Weagamow Lake) Airport) is 816 miles / 1313 kilometers / 709 nautical miles.

The driving distance from Rapid City (RAP) to Round Lake (ZRJ) is 1355 miles / 2181 kilometers, and travel time by car is about 33 hours 20 minutes.

Rapid City Regional Airport – Round Lake (Weagamow Lake) Airport

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816
Miles
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1313
Kilometers
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709
Nautical miles

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Distance from Rapid City to Round Lake

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

Vincenty's formula (applied above)
  • 815.798 miles
  • 1312.900 kilometers
  • 708.909 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
  • 814.728 miles
  • 1311.177 kilometers
  • 707.979 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 Round Lake?

The estimated flight time from Rapid City Regional Airport to Round Lake (Weagamow Lake) Airport is 2 hours and 2 minutes.

Flight carbon footprint between Rapid City Regional Airport (RAP) and Round Lake (Weagamow Lake) Airport (ZRJ)

On average, flying from Rapid City to Round Lake generates about 136 kg of CO2 per passenger, and 136 kilograms equals 301 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 Round Lake

See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Round Lake (Weagamow Lake) Airport (ZRJ).

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 Round Lake (Weagamow Lake) Airport
City: Round Lake
Country: Canada Flag of Canada
IATA Code: ZRJ
ICAO Code: CZRJ
Coordinates: 52°56′36″N, 91°18′46″W