Distance between cities › USA › South Dakota › Vermillion, SD › Distance from Vermillion to Sonnette Book Hotels

Distance from Vermillion, SD to Sonnette, MT

Distance

570 mi

Time

10 hours 19 mins

Gas Cost

$53 - $103

There are 477.39 miles from Vermillion to Sonnette in northwest direction and 570 miles (917.33 kilometers) by car, following the I-90 route.

Vermillion and Sonnette are 10 hours 19 mins far apart, if you drive non-stop .

This is the fastest route from Vermillion, SD to Sonnette, MT.

Please note the time difference between Vermillion, SD and Sonnette, MT is 1 hour. The current time in Vermillion is 3:25 pm and the current time in Sonnette is 2:25 pm.

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Lowest Price Rental Cars in Vermillion, SD

Planning on renting a car to go from Vermillion, SD to Sonnette, MT? Here there are some offers to rent a car in Vermillion, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Vermillion »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 22.88 gallons of gas to cover the route between Vermillion, SD and Sonnette, MT.

The estimated cost of gas to go from Vermillion to Sonnette is $74.62.

During the route, an average car will release 448.20 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 Vermillion, SD and Sonnette, MT

If you want to meet halfway between Vermillion, SD and Sonnette, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.842968 and -101.291033, or 43º 50' 34.6848" N, 101º 17' 27.7188" W. This location is 284.82 miles away from Vermillion, SD and Sonnette, MT and it would take approximately 5 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 Belvidere, SD, situated 285 miles from Vermillion, SD and 287 miles from Sonnette, MT. It would take 4 hours 46 mins to go from Vermillion to Belvidere and 5 hours 37 mins to go from Sonnette to Belvidere.