Distance between cities › USA › Idaho › Springfield, ID › Distance from Springfield to Roundup Book Hotels

Distance from Springfield, ID to Roundup, MT

Distance

437 mi

Time

8 hours 19 mins

Gas Cost

$41 - $79

There are 308.55 miles from Springfield to Roundup in northeast direction and 437 miles (703.28 kilometers) by car, following the I-90 and US-191 route.

Springfield and Roundup are 8 hours 19 mins far apart, if you drive non-stop .

This is the fastest route from Springfield, ID to Roundup, MT.

Springfield, ID and Roundup, MT are in the same time zone (MDT). Current time in both locations is 3:01 pm.

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Lowest Price Rental Cars in Springfield, ID

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Springfield »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 17.56 gallons of gas to cover the route between Springfield, ID and Roundup, MT.

The estimated cost of gas to go from Springfield to Roundup is $57.29.

During the route, an average car will release 344.08 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 Springfield, ID and Roundup, MT

If you want to meet halfway between Springfield, ID and Roundup, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.587342 and -111.197047, or 45º 35' 14.4312" N, 111º 11' 49.3692" W. This location is 218.65 miles away from Springfield, ID and Roundup, MT and it would take approximately 4 hours 9 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Gallatin Gateway, MT, situated 231 miles from Springfield, ID and 207 miles from Roundup, MT. It would take 4 hours 35 mins to go from Springfield to Gallatin Gateway and 3 hours 43 mins to go from Roundup to Gallatin Gateway.