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

Distance from Grass Range, MT to Killduff, IA

Distance

1,076 mi

Time

18 hours 58 mins

Gas Cost

$100 - $195

There are 868.50 miles from Grass Range to Killduff in southeast direction and 1,076 miles (1,731.65 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Grass Range and Killduff are 18 hours 58 mins far apart, if you drive non-stop .

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

Please note the time difference between Grass Range, MT and Killduff, IA is 1 hour. The current time in Grass Range is 1:45 am and the current time in Killduff is 2:45 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 Killduff, 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 43.23 gallons of gas to cover the route between Grass Range, MT and Killduff, IA.

The estimated cost of gas to go from Grass Range to Killduff is $141.

During the route, an average car will release 846.88 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 Killduff, IA

If you want to meet halfway between Grass Range, MT and Killduff, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.886479 and -100.840513, or 43º 53' 11.3244" N, 100º 50' 25.8468" W. This location is 538.16 miles away from Grass Range, MT and Killduff, IA and it would take approximately 9 hours 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Okaton, SD, situated 532 miles from Grass Range, MT and 545 miles from Killduff, IA. It would take 9 hours 44 mins to go from Grass Range to Okaton and 9 hours 16 mins to go from Killduff to Okaton.