Distance between cities › USA › Montana › Pray, MT › Distance from Pray to Altamont Book Hotels

Distance from Pray, MT to Altamont, SD

Distance

901 mi

Time

15 hours

Gas Cost

$84 - $163

There are 682.47 miles from Pray to Altamont in east direction and 901 miles (1,450.02 kilometers) by car, following the I-94 route.

Pray and Altamont are 15 hours far apart, if you drive non-stop .

This is the fastest route from Pray, MT to Altamont, SD. The halfway point is Whitewood, SD.

Please note the time difference between Pray, MT and Altamont, SD is 1 hour. The current time in Pray is 3:15 am and the current time in Altamont is 4:15 am.

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Lowest Price Rental Cars in Pray, MT

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Pray »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 36.17 gallons of gas to cover the route between Pray, MT and Altamont, SD.

The estimated cost of gas to go from Pray to Altamont is $118.

During the route, an average car will release 708.73 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 Pray, MT and Altamont, SD

If you want to meet halfway between Pray, MT and Altamont, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.449871 and -103.640915, or 44º 26' 59.5356" N, 103º 38' 27.294" W. This location is 450.37 miles away from Pray, MT and Altamont, SD and it would take approximately 7 hours 30 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Whitewood, SD, situated 474 miles from Pray, MT and 463 miles from Altamont, SD. It would take 7 hours 21 mins to go from Pray to Whitewood and 6 hours 18 mins to go from Altamont to Whitewood.