Distance between cities › USA › Montana › Grass Range, MT › Distance from Grass Range to Oronogo Book Hotels

Distance from Grass Range, MT to Oronogo, MO

Distance

1,254 mi

Time

22 hours 19 mins

Gas Cost

$118 - $229

There are 998.04 miles from Grass Range to Oronogo in southeast direction and 1,254 miles (2,018.12 kilometers) by car, following the I-29 route.

Grass Range and Oronogo are 22 hours 19 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Oronogo, MO.

Please note the time difference between Grass Range, MT and Oronogo, MO is 1 hour. The current time in Grass Range is 1:06 am and the current time in Oronogo is 2:06 am.

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Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to Oronogo, MO? Here there are some offers to rent a car in Grass Range, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grass Range »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 50.38 gallons of gas to cover the route between Grass Range, MT and Oronogo, MO.

The estimated cost of gas to go from Grass Range to Oronogo is $165.80.

During the route, an average car will release 987.02 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Grass Range, MT and Oronogo, MO

If you want to meet halfway between Grass Range, MT and Oronogo, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.876694 and -99.778682, or 43º 52' 36.0984" N, 99º 46' 43.2552" W. This location is 627.22 miles away from Grass Range, MT and Oronogo, MO and it would take approximately 11 hours 9 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kennebec, SD, situated 584 miles from Grass Range, MT and 672 miles from Oronogo, MO. It would take 10 hours 34 mins to go from Grass Range to Kennebec and 11 hours 50 mins to go from Oronogo to Kennebec.