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How far is Ontario, CA, from Rock Springs, WY?

The distance between Rock Springs (Southwest Wyoming Regional Airport) and Ontario (Ontario International Airport) is 698 miles / 1123 kilometers / 607 nautical miles.

The driving distance from Rock Springs (RKS) to Ontario (ONT) is 818 miles / 1316 kilometers, and travel time by car is about 14 hours 9 minutes.

Southwest Wyoming Regional Airport – Ontario International Airport

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698
Miles
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1123
Kilometers
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607
Nautical miles

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Distance from Rock Springs to Ontario

There are several ways to calculate the distance from Rock Springs to Ontario. Here are two standard methods:

Vincenty's formula (applied above)
  • 698.080 miles
  • 1123.450 kilometers
  • 606.615 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
  • 698.046 miles
  • 1123.397 kilometers
  • 606.586 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 Rock Springs to Ontario?

The estimated flight time from Southwest Wyoming Regional Airport to Ontario International Airport is 1 hour and 49 minutes.

Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Ontario International Airport (ONT)

On average, flying from Rock Springs to Ontario generates about 124 kg of CO2 per passenger, and 124 kilograms equals 274 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rock Springs to Ontario

See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Ontario International Airport (ONT).

Airport information

Origin Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W
Destination Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W