Distance between cities › USA › South Dakota › Tolstoy, SD › Distance from Tolstoy to Decker Book Hotels

Distance from Tolstoy, SD to Decker, MT

Distance

495 mi

Time

9 hours 22 mins

Gas Cost

$46 - $90

There are 353.65 miles from Tolstoy to Decker in west direction and 495 miles (796.63 kilometers) by car, following the SD 34 and SD 63 route.

Tolstoy and Decker are 9 hours 22 mins far apart, if you drive non-stop .

This is the fastest route from Tolstoy, SD to Decker, MT.

Please note the time difference between Tolstoy, SD and Decker, MT is 1 hour. The current time in Tolstoy is 2:02 pm and the current time in Decker is 1:02 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Tolstoy, SD to Decker, MT:

Lowest Price Rental Cars in Tolstoy, SD

Planning on renting a car to go from Tolstoy, SD to Decker, MT? Here there are some offers to rent a car in Tolstoy, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Tolstoy »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 19.87 gallons of gas to cover the route between Tolstoy, SD and Decker, MT.

The estimated cost of gas to go from Tolstoy to Decker is $64.81.

During the route, an average car will release 389.23 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Tolstoy, SD and Decker, MT

If you want to meet halfway between Tolstoy, SD and Decker, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.481674 and -103.268662, or 44º 28' 54.0264" N, 103º 16' 7.1832" W. This location is 247.34 miles away from Tolstoy, SD and Decker, MT and it would take approximately 4 hours 41 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Fort Meade, SD, situated 259 miles from Tolstoy, SD and 236 miles from Decker, MT. It would take 5 hours 13 mins to go from Tolstoy to Fort Meade and 4 hours 12 mins to go from Decker to Fort Meade.