Distance between cities › USA › South Dakota › Reliance, SD › Distance from Reliance to Dummer Book Hotels

Distance from Reliance, SD to Dummer, NH

Distance

1,640 mi

Time

1 day 7 hours

Gas Cost

$153 - $297

There are 1,399.59 miles from Reliance to Dummer in east direction and 1,640 miles (2,639.32 kilometers) by car and ferry, following the I-90 route.

Reliance and Dummer are 1 day 7 hours far apart, if you drive non-stop for 1 day 5 hours and take a ferry for 2 hours 30 mins .

This is the fastest route from Reliance, SD to Dummer, NH.

Please note the time difference between Reliance, SD and Dummer, NH is 1 hour. The current time in Reliance is 11:47 am and the current time in Dummer is 12:47 pm.

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Lowest Price Rental Cars in Reliance, SD

Planning on renting a car to go from Reliance, SD to Dummer, NH? Here there are some offers to rent a car in Reliance, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Reliance »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 65.85 gallons of gas to cover the route between Reliance, SD and Dummer, NH.

The estimated cost of gas to go from Reliance to Dummer is $214.79.

During the route, an average car will release 1,290.08 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 Reliance, SD and Dummer, NH

If you want to meet halfway between Reliance, SD and Dummer, NH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.878932 and -85.010297, or 42º 52' 44.1552" N, 85º 0' 37.0692" W. This location is 819.80 miles away from Reliance, SD and Dummer, NH and it would take approximately 15 hours 55 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Portland, MI, situated 818 miles from Reliance, SD and 823 miles from Dummer, NH. It would take 15 hours 34 mins to go from Reliance to Portland and 16 hours 23 mins to go from Dummer to Portland.

Major City Closest to Halfway Point

The major city closest to the halfway point between Reliance, SD and Dummer, NH is Lansing, MI, situated 938 miles from Reliance, SD and 803 miles from Dummer, NH. It would take 16 hours 50 mins to go from Reliance to Lansing and 16 hours 5 mins to go from Dummer to Lansing.