Distance from Saint Louis, MO to Rapid City, SD is 953Miles or 1534 Km. You can get this distance about 13 hours 26 mins. If you want to planning travel with plane, you can get this distance about 2 hours 9 mins .
A car with an average MPG will needs 44.12 gallons of gas to get the route between these points.
The estimated cost of gas to get between Saint Louis, MO and Rapid City, SD is $100.15.
During the route, an average car will release 864.4 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.
* Coordinates of Saint Louis, MO is 38.6270025, -90.1994042 and coordinates of Rapid City, SD is 44.0805434, -103.2310149