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

Distance from Custer, SD to Darby, PA

Distance

1,709 mi

Time

1 day 6 hours

Gas Cost

$159 - $310

There are 1,475.27 miles from Custer to Darby in east direction and 1,709 miles (2,750.37 kilometers) by car, following the I-90 and US-14 route.

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

This is the fastest route from Custer, SD to Darby, PA.

Please note the time difference between Custer, SD and Darby, PA is 2 hours. The current time in Custer is 2:38 am and the current time in Darby is 4:38 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Darby, PA? 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 68.64 gallons of gas to cover the route between Custer, SD and Darby, PA.

The estimated cost of gas to go from Custer to Darby is $223.91.

During the route, an average car will release 1,344.83 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 Darby, PA

If you want to meet halfway between Custer, SD and Darby, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.86115 and -89.043021, or 42º 51' 40.14" N, 89º 2' 34.8756" W. This location is 854.59 miles away from Custer, SD and Darby, PA and it would take approximately 15 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Edgerton, WI, situated 832 miles from Custer, SD and 879 miles from Darby, PA. It would take 14 hours 25 mins to go from Custer to Edgerton and 16 hours 27 mins to go from Darby to Edgerton.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and Darby, PA is Madison, WI, situated 811 miles from Custer, SD and 905 miles from Darby, PA. It would take 14 hours 11 mins to go from Custer to Madison and 17 hours to go from Darby to Madison.