Distance between cities › USA › Minnesota › Bertha, MN › Distance from Bertha to Dewey Book Hotels

Distance from Bertha, MN to Dewey, SD

Distance

715 mi

Time

12 hours 48 mins

Gas Cost

$67 - $130

There are 477.99 miles from Bertha to Dewey in southwest direction and 715 miles (1,150.68 kilometers) by car, following the I-90 route.

Bertha and Dewey are 12 hours 48 mins far apart, if you drive non-stop .

This is the fastest route from Bertha, MN to Dewey, SD.

Please note the time difference between Bertha, MN and Dewey, SD is 1 hour. The current time in Bertha is 11:19 am and the current time in Dewey is 10:19 am.

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Lowest Price Rental Cars in Bertha, MN

Planning on renting a car to go from Bertha, MN to Dewey, SD? Here there are some offers to rent a car in Bertha, MN

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Bertha »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 28.71 gallons of gas to cover the route between Bertha, MN and Dewey, SD.

The estimated cost of gas to go from Bertha to Dewey is $93.65.

During the route, an average car will release 562.47 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 Bertha, MN and Dewey, SD

If you want to meet halfway between Bertha, MN and Dewey, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.694995 and -98.434059, or 43º 41' 41.982" N, 98º 26' 2.6124" W. This location is 357.43 miles away from Bertha, MN and Dewey, SD and it would take approximately 6 hours 24 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Plankinton, SD, situated 375 miles from Bertha, MN and 341 miles from Dewey, SD. It would take 6 hours 37 mins to go from Bertha to Plankinton and 6 hours 15 mins to go from Dewey to Plankinton.