It is 277 miles from Casper WY to Big Piney WY.
226 miles
The driving distance from Casper, Wyoming to Yellowstone National Park is 310 miles (499 km). The estimated driving time is 5 hours 15 minutes.
It is 999 miles according to Google Maps.
346.3 miles
About 270 miles.
Cody, WY is 53 miles from the east entrance to Yellowstone National Park.
Casper, WY
The address of the Casper Planetarium is: 904 N Poplar St, Casper, WY 82601
17:00 GMT = 10:00 Mountain Time for Casper, WY. Wyoming is at GMT -7 hours.
From Farmington, NM to Casper, WY is 604 miles; approximately 11 hours, 5 minutes driving time.
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.