Distance between cities › USA › South Dakota › Custer, SD › Distance from Custer to Grantham Book Hotels

Distance from Custer, SD to Grantham, NH

Distance

1,895 mi

Time

1 day 11 hours

Gas Cost

$177 - $343

There are 1,562.78 miles from Custer to Grantham in east direction and 1,895 miles (3,049.71 kilometers) by car, following the I-90 and US-14 route.

Custer and Grantham are 1 day 11 hours far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Grantham, NH.

Please note the time difference between Custer, SD and Grantham, NH is 2 hours. The current time in Custer is 1:19 am and the current time in Grantham is 3:19 am.

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Lowest Price Rental Cars in Custer, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Custer »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 76.09 gallons of gas to cover the route between Custer, SD and Grantham, NH.

The estimated cost of gas to go from Custer to Grantham is $248.21.

During the route, an average car will release 1,490.80 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 Custer, SD and Grantham, NH

If you want to meet halfway between Custer, SD and Grantham, NH or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.986681 and -87.861251, or 41º 59' 12.0516" N, 87º 51' 40.5036" W. This location is 947.35 miles away from Custer, SD and Grantham, NH and it would take approximately 17 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Rosemont, IL, situated 936 miles from Custer, SD and 960 miles from Grantham, NH. It would take 16 hours 19 mins to go from Custer to Rosemont and 19 hours 33 mins to go from Grantham to Rosemont.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and Grantham, NH is Chicago, IL, situated 952 miles from Custer, SD and 943 miles from Grantham, NH. It would take 16 hours 43 mins to go from Custer to Chicago and 19 hours 5 mins to go from Grantham to Chicago.