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

Distance from Grass Range, MT to Gravity, IA

Distance

1,020 mi

Time

18 hours 16 mins

Gas Cost

$95 - $185

There are 821.32 miles from Grass Range to Gravity in southeast direction and 1,020 miles (1,641.53 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Grass Range and Gravity are 18 hours 16 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Gravity, IA.

Please note the time difference between Grass Range, MT and Gravity, IA is 1 hour. The current time in Grass Range is 4:31 am and the current time in Gravity is 5:31 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 Gravity, IA? 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 40.98 gallons of gas to cover the route between Grass Range, MT and Gravity, IA.

The estimated cost of gas to go from Grass Range to Gravity is $133.68.

During the route, an average car will release 802.90 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 Grass Range, MT and Gravity, IA

If you want to meet halfway between Grass Range, MT and Gravity, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.85116 and -101.454725, or 43º 51' 4.176" N, 101º 27' 17.01" W. This location is 510.22 miles away from Grass Range, MT and Gravity, IA and it would take approximately 9 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kadoka, SD, situated 499 miles from Grass Range, MT and 522 miles from Gravity, IA. It would take 9 hours 14 mins to go from Grass Range to Kadoka and 9 hours 6 mins to go from Gravity to Kadoka.