Distance from Spearfish, SD to Lame Deer, MT is 172Miles or 277 Km. You can get this distance about 2 hours 55 mins. If you want to planning travel with plane for 158 Miles or 255 Km, You can get this distance about 50 mins .
A car with an average MPG will needs 7.96 gallons of gas to get the route between these points.
The estimated cost of gas to get between Spearfish, SD and Lame Deer, MT is $18.07.
During the route, an average car will release 155.95 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.