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

Distance from Harrison, SD to Dummer, NH

Distance

1,602 mi

Time

1 day 7 hours

Gas Cost

$149 - $290

There are 1,353.79 miles from Harrison to Dummer in east direction and 1,602 miles (2,578.17 kilometers) by car and ferry, following the I-90 route.

Harrison and Dummer are 1 day 7 hours far apart, if you drive non-stop for 1 day 4 hours and take a ferry for 2 hours 30 mins .

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

Please note the time difference between Harrison, SD and Dummer, NH is 1 hour. The current time in Harrison is 3:45 am and the current time in Dummer is 4:45 am.

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Lowest Price Rental Cars in Harrison, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Harrison »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 64.32 gallons of gas to cover the route between Harrison, SD and Dummer, NH.

The estimated cost of gas to go from Harrison to Dummer is $209.81.

During the route, an average car will release 1,260.15 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 Harrison, SD and Dummer, NH

If you want to meet halfway between Harrison, 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 42.8066 and -84.626161, or 42º 48' 23.76" N, 84º 37' 34.1796" W. This location is 800.78 miles away from Harrison, SD and Dummer, NH and it would take approximately 15 hours 44 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is DeWitt, MI, situated 801 miles from Harrison, SD and 805 miles from Dummer, NH. It would take 15 hours 36 mins to go from Harrison to DeWitt and 16 hours 3 mins to go from Dummer to DeWitt.

Major City Closest to Halfway Point

The major city closest to the halfway point between Harrison, SD and Dummer, NH is Lansing, MI, situated 900 miles from Harrison, SD and 803 miles from Dummer, NH. It would take 16 hours 30 mins to go from Harrison to Lansing and 16 hours 5 mins to go from Dummer to Lansing.