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

Distance from Pray, MT to Herreid, SD

Distance

647 mi

Time

11 hours 1 min

Gas Cost

$60 - $117

There are 513.57 miles from Pray to Herreid in east direction and 647 miles (1,041.25 kilometers) by car, following the I-94 route.

Pray and Herreid are 11 hours 1 min far apart, if you drive non-stop .

This is the fastest route from Pray, MT to Herreid, SD. The halfway point is Fallon, MT.

Please note the time difference between Pray, MT and Herreid, SD is 1 hour. The current time in Pray is 8:30 am and the current time in Herreid is 9:30 am.

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Lowest Price Rental Cars in Pray, MT

Planning on renting a car to go from Pray, MT to Herreid, 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 25.98 gallons of gas to cover the route between Pray, MT and Herreid, SD.

The estimated cost of gas to go from Pray to Herreid is $84.76.

During the route, an average car will release 509.10 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 Herreid, SD

If you want to meet halfway between Pray, MT and Herreid, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.836983 and -105.173882, or 46º 50' 13.1388" N, 105º 10' 25.9752" W. This location is 323.51 miles away from Pray, MT and Herreid, SD and it would take approximately 5 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 Fallon, MT, situated 328 miles from Pray, MT and 320 miles from Herreid, SD. It would take 5 hours 33 mins to go from Pray to Fallon and 5 hours 34 mins to go from Herreid to Fallon.