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

Distance from Harrison, SD to Sullivan, NH

Distance

1,598 mi

Time

1 day 6 hours

Gas Cost

$146 - $284

There are 1,319.30 miles from Harrison to Sullivan in east direction and 1,598 miles (2,571.73 kilometers) by car, following the I-90 route.

Harrison and Sullivan are 1 day 6 hours far apart, if you drive non-stop .

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

Please note the time difference between Harrison, SD and Sullivan, NH is 1 hour. The current time in Harrison is 11:39 pm (Mar 11) and the current time in Sullivan is 12:39 am (Mar 12).

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Sullivan, 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 64.19 gallons of gas to cover the route between Harrison, SD and Sullivan, NH.

The estimated cost of gas to go from Harrison to Sullivan is $205.66.

During the route, an average car will release 1,257.58 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Harrison, SD and Sullivan, NH

If you want to meet halfway between Harrison, SD and Sullivan, NH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.729418 and -85.764765, or 41º 43' 45.9048" N, 85º 45' 53.154" W. This location is 799.15 miles away from Harrison, SD and Sullivan, NH and it would take approximately 15 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Bristol, IN, situated 800 miles from Harrison, SD and 803 miles from Sullivan, NH. It would take 14 hours 42 mins to go from Harrison to Bristol and 16 hours 5 mins to go from Sullivan to Bristol.

Major City Closest to Halfway Point

The major city closest to the halfway point between Harrison, SD and Sullivan, NH is South Bend, IN, situated 777 miles from Harrison, SD and 828 miles from Sullivan, NH. It would take 14 hours 19 mins to go from Harrison to South Bend and 16 hours 36 mins to go from Sullivan to South Bend.