It is 725.31 miles according to MapQuest.
From Farmington, NM to Casper, WY is 604 miles; approximately 11 hours, 5 minutes driving time.
550 miles
It is 277 miles from Casper WY to Big Piney WY.
About 270 miles.
226 miles
Casper, WY
16 hours with stops
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.
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.
The address of the Fort Caspar Museum is: 4001 Fort Caspar Road, Casper, WY 82604
It is 178 miles according to Google Maps.