Distance between cities › USA › Idaho › Downey, ID › Distance from Downey to Sumatra Book Hotels

Distance from Downey, ID to Sumatra, MT

Distance

530 mi

Time

10 hours 7 mins

Gas Cost

$49 - $96

There are 366.67 miles from Downey to Sumatra in northeast direction and 530 miles (852.95 kilometers) by car, following the I-90 and US-191 route.

Downey and Sumatra are 10 hours 7 mins far apart, if you drive non-stop .

This is the fastest route from Downey, ID to Sumatra, MT.

Downey, ID and Sumatra, MT are in the same time zone (MDT). Current time in both locations is 10:53 am.

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Lowest Price Rental Cars in Downey, ID

Planning on renting a car to go from Downey, ID to Sumatra, MT? Here there are some offers to rent a car in Downey, ID

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Downey »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 21.30 gallons of gas to cover the route between Downey, ID and Sumatra, MT.

The estimated cost of gas to go from Downey to Sumatra is $69.48.

During the route, an average car will release 417.31 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 Downey, ID and Sumatra, MT

If you want to meet halfway between Downey, ID and Sumatra, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.67844 and -111.051872, or 45º 40' 42.384" N, 111º 3' 6.7392" W. This location is 265.19 miles away from Downey, ID and Sumatra, MT and it would take approximately 5 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 Bozeman, MT, situated 285 miles from Downey, ID and 245 miles from Sumatra, MT. It would take 5 hours 27 mins to go from Downey to Bozeman and 4 hours 41 mins to go from Sumatra to Bozeman.