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).
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.
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|
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.
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.