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

Distance from Grass Range, MT to Brock, NE

Distance

993 mi

Time

17 hours 30 mins

Gas Cost

$93 - $180

There are 782.99 miles from Grass Range to Brock in southeast direction and 993 miles (1,598.08 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Grass Range and Brock are 17 hours 30 mins far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Brock, NE.

Please note the time difference between Grass Range, MT and Brock, NE is 1 hour. The current time in Grass Range is 12:27 am and the current time in Brock is 1:27 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 Brock, NE? 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 39.87 gallons of gas to cover the route between Grass Range, MT and Brock, NE.

The estimated cost of gas to go from Grass Range to Brock is $130.05.

During the route, an average car will release 781.12 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 Brock, NE

If you want to meet halfway between Grass Range, MT and Brock, NE or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.835875 and -101.761235, or 43º 50' 9.15" N, 101º 45' 40.446" W. This location is 496.37 miles away from Grass Range, MT and Brock, NE and it would take approximately 8 hours 45 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cottonwood, SD, situated 476 miles from Grass Range, MT and 522 miles from Brock, NE. It would take 9 hours 1 min to go from Grass Range to Cottonwood and 8 hours 58 mins to go from Brock to Cottonwood.