It is 325 miles.
80 miles
795 miles taking this route:Take I-90 EAST from Missoula to I-25 SOUTH to CASPER at EXIT 56A in WYOMING.Take I-25 SOUTH to Cheyenne.
It is 277 miles from Casper WY to Big Piney WY.
It is 325 miles.
The driving distance between Casper, WY and Cheyenne, WY is 178 miles. The driving time would be approximately 3 hours if you were to drive non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
It is 308 miles from Cheyenne WY to Thermopolis WY.
The driving distance between Casper, WY and Cheyenne, WY is 178 miles. The driving time would be approximately 3 hours if you were to drive non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
The driving distance between Casper, WY and Sheridan, WY is 148 miles. The driving time would be approximately 2 hours, 30 minutes if you were to drive non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
It is 326 miles according to Google Maps.
The driving distance between Casper, WY and Bar Nunn, WY is 6 miles. The driving time would be approximately 10 minutes if you were to drive non-stop in good conditions.
It is 1,887.69 miles according to MapQuest.