How far is Ontario, CA, from Rapid City, SD?
The distance between Rapid City (Rapid City Regional Airport) and Ontario (Ontario International Airport) is 1040 miles / 1673 kilometers / 903 nautical miles.
The driving distance from Rapid City (RAP) to Ontario (ONT) is 1291 miles / 2077 kilometers, and travel time by car is about 23 hours 31 minutes.
Rapid City Regional Airport – Ontario International Airport
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Distance from Rapid City to Ontario
There are several ways to calculate the distance from Rapid City to Ontario. Here are two standard methods:
Vincenty's formula (applied above)- 1039.668 miles
- 1673.183 kilometers
- 903.447 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- 1038.979 miles
- 1672.075 kilometers
- 902.848 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 Ontario?
The estimated flight time from Rapid City Regional Airport to Ontario International Airport is 2 hours and 28 minutes.
What is the time difference between Rapid City and Ontario?
The time difference between Rapid City and Ontario is 1 hour. Ontario is 1 hour behind Rapid City.
Flight carbon footprint between Rapid City Regional Airport (RAP) and Ontario International Airport (ONT)
On average, flying from Rapid City to Ontario generates about 153 kg of CO2 per passenger, and 153 kilograms equals 338 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 Ontario
See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Ontario International Airport (ONT).
Airport information
| Origin | Rapid City Regional Airport |
|---|---|
| City: | Rapid City, SD |
| Country: | United States  |
| IATA Code: | RAP |
| ICAO Code: | KRAP |
| Coordinates: | 44°2′43″N, 103°3′25″W |
| Destination | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |