How far is Casper from Rock Springs?

Distance by Flight

Shortest distance between Casper and Rock Springs is 172.24 miles (277.19 km).

Flight distance from Casper, WY to Rock Springs, WY is 172.24 miles. Estimated flight time is 00 hours 27 minutes.

It takes 00 hours 25 minutes to travel from Casper to Rock Springs with an airplane (average speed of 550 miles).

Driving distance

The driving distance from Casper, Wyoming to Rock Springs, Wyoming is: 230.46 miles (370.89 km) by car.

Driving from Casper to Rock Springs will take approximately 03 hours 58 minutes.

Rock Springs image
#1 Casper

City in and county seat of Natrona County, Wyoming, United States

Population 58498
GPS Coordinates 42°51'60"N 106°18'47"W
Latitude 42.8666300
Longitude -106.3130800
Altitude 1560
Country United States
Rock Springs image
#2 Rock Springs

City in Sweetwater County, Wyoming, United States

Population 22943
GPS Coordinates 41°35'15"N 109°12'10"W
Latitude 41.5874600
Longitude -109.2029000
Altitude 1947
Country United States

Estimated Travel Time Between Casper and Rock Springs

The distance between Casper and Rock Springs is 371 km if you choose to drive by road. You can go 04 hours 07 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.

There is no time difference between Casper and Rock Springs. The current time is 11:01:07.

Average Speed Travel Time
30 mph (48.3 km/h) 07 hours 40 minutes
40 mph (64.37 km/h) 05 hours 45 minutes
50 mph (80.47 km/h) 04 hours 36 minutes
60 mph (96.56 km/h) 03 hours 50 minutes
70 mph (112.65 km/h) 03 hours 17 minutes
75 mph (120.7 km/h) 03 hours 04 minutes
80 mph (128.75 km/h) 02 hours 52 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 30.78 liters (8.13 gallon) of gas to cover the route between Casper and Rock Springs.
The estimated cost of gas to go from Casper to Rock Springs is $33.36 (diesel $39.43).

Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.

The average gas price per gallon of daily gas for calculations is $4.102 (Diesel $4.849) /gallon. Last changed prices on August 15, 2022.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Casper and Rock Springs (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.

Distance to Other Cities

Rock Springs image

Driving distance from Cheyenne, WY to Casper 178.64 miles (287 km)

Rock Springs image

Driving distance from Cody, WY to Casper 216.91 miles (349 km)

Rock Springs image

Driving distance from Douglas, WY to Casper 50.59 miles (81 km)

Rock Springs image

Driving distance from Evanston, WY to Casper 331.25 miles (533 km)

Rock Springs image

Driving distance from Gillette, WY to Casper 133.18 miles (214 km)

Rock Springs image

Driving distance from Green River, WY to Casper 245.78 miles (396 km)

Rock Springs image

Driving distance from Jackson, WY to Casper 282.07 miles (454 km)

Rock Springs image

Driving distance from Lander, WY to Casper 148.5 miles (239 km)

Rock Springs image

Driving distance from Laramie, WY to Casper 154.09 miles (248 km)

Rock Springs image

Driving distance from Powell, WY to Casper 238.49 miles (384 km)

Rock Springs image

Driving distance from Rawlins, WY to Casper 122.84 miles (198 km)

Rock Springs image

Driving distance from Riverton, WY to Casper 123.43 miles (199 km)

Gas Cost Calculator

Find hotel in