Distance from Billings, MT to Spearfish, SD is 274Miles or 441 Km. You can get this distance about 4 hours 28 mins. If you want to planning travel with plane for 244 Miles or 392 Km, You can get this distance about 1 hours 1 mins .
A car with an average MPG will needs 12.69 gallons of gas to get the route between these points.
The estimated cost of gas to get between Billings, MT and Spearfish, SD is $28.81.
During the route, an average car will release 248.62 pounds of CO2 to the atmosphere. Your carbon footprint is 0.91 pounds of CO2 per mile.
* Average US MPG used for calculations is 21.6 MPG.
* Average US gas price used for calculation is 2.27 per gallon.