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

Distance from Pray, MT to Diamond, IL

Distance

1,378 mi

Time

1 day

Gas Cost

$128 - $250

There are 1,157.99 miles from Pray to Diamond in southeast direction and 1,378 miles (2,217.68 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Pray and Diamond are 1 day far apart, if you drive non-stop .

This is the fastest route from Pray, MT to Diamond, IL.

Please note the time difference between Pray, MT and Diamond, IL is 1 hour. The current time in Pray is 6:52 am and the current time in Diamond is 7:52 am.

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Lowest Price Rental Cars in Pray, MT

Planning on renting a car to go from Pray, MT to Diamond, IL? 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 55.33 gallons of gas to cover the route between Pray, MT and Diamond, IL.

The estimated cost of gas to go from Pray to Diamond is $180.47.

During the route, an average car will release 1,083.95 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 Diamond, IL

If you want to meet halfway between Pray, MT and Diamond, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.75103 and -99.048189, or 43º 45' 3.708" N, 99º 2' 53.4804" W. This location is 688.81 miles away from Pray, MT and Diamond, IL and it would take approximately 12 hours 3 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kimball, SD, situated 678 miles from Pray, MT and 701 miles from Diamond, IL. It would take 11 hours 46 mins to go from Pray to Kimball and 12 hours 23 mins to go from Diamond to Kimball.