How far is Casper from Green River?

Distance by Flight

Shortest distance between Casper and Green River is 185.98 miles (299.31 km).

Flight distance from Casper, WY to Green River, WY is 185.98 miles. Estimated flight time is 00 hours 29 minutes.

It takes 00 hours 26 minutes to travel from Casper to Green River with an airplane (average speed of 550 miles).

Driving distance

The driving distance from Casper, Wyoming to Green River, Wyoming is: 245.78 miles (395.55 km) by car.

Driving from Casper to Green River will take approximately 04 hours 09 minutes.

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#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
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#2 Green River

River in Wyoming, Utah, and Colorado, in the United States, that is a tributary of the Colorado River

Population 11788
GPS Coordinates 41°31'43"N 109°27'59"W
Latitude 41.5285800
Longitude -109.4662500
Altitude 1864
Country United States

Estimated Travel Time Between Casper and Green River

The distance between Casper and Green River is 396 km if you choose to drive by road. You can go 04 hours 23 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 Green River. The current time is 09:03:49.

Average Speed Travel Time
30 mph (48.3 km/h) 08 hours 11 minutes
40 mph (64.37 km/h) 06 hours 08 minutes
50 mph (80.47 km/h) 04 hours 54 minutes
60 mph (96.56 km/h) 04 hours 05 minutes
70 mph (112.65 km/h) 03 hours 30 minutes
75 mph (120.7 km/h) 03 hours 16 minutes
80 mph (128.75 km/h) 03 hours 03 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 32.83 liters (8.67 gallon) of gas to cover the route between Casper and Green River.
The estimated cost of gas to go from Casper to Green River is $35.58 (diesel $42.06).

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 June 26, 2022.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Casper and Green River (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

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

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

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

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

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

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

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

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

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

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

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

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Driving distance from Rock Springs, WY to Casper 230.46 miles (371 km)

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