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

Distance from Grass Range, MT to Dubuque, IA

Distance

1,090 mi

Time

20 hours 6 mins

Gas Cost

$102 - $197

There are 940.65 miles from Grass Range to Dubuque in southeast direction and 1,090 miles (1,754.18 kilometers) by car, following the I-94 route.

Grass Range and Dubuque are 20 hours 6 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Dubuque, IA is 1 hour. The current time in Grass Range is 12:26 am and the current time in Dubuque is 1:26 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 Dubuque, 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 43.76 gallons of gas to cover the route between Grass Range, MT and Dubuque, IA.

The estimated cost of gas to go from Grass Range to Dubuque is $142.74.

During the route, an average car will release 857.34 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 Dubuque, IA

If you want to meet halfway between Grass Range, MT and Dubuque, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.891252 and -98.668538, or 46º 53' 28.5072" N, 98º 40' 6.7368" W. This location is 544.81 miles away from Grass Range, MT and Dubuque, IA and it would take approximately 10 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 Jamestown, ND, situated 509 miles from Grass Range, MT and 583 miles from Dubuque, IA. It would take 8 hours 40 mins to go from Grass Range to Jamestown and 11 hours 31 mins to go from Dubuque to Jamestown.