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

Distance from Custer, SD to Cromwell, OK

Distance

904 mi

Time

16 hours 51 mins

Gas Cost

$84 - $164

There are 694.88 miles from Custer to Cromwell in southeast direction and 904 miles (1,454.85 kilometers) by car, following the I-80 route.

Custer and Cromwell are 16 hours 51 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Cromwell, OK.

Please note the time difference between Custer, SD and Cromwell, OK is 1 hour. The current time in Custer is 2:48 am and the current time in Cromwell is 3:48 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Cromwell, OK? 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 36.30 gallons of gas to cover the route between Custer, SD and Cromwell, OK.

The estimated cost of gas to go from Custer to Cromwell is $118.42.

During the route, an average car will release 711.26 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 Cromwell, OK

If you want to meet halfway between Custer, SD and Cromwell, OK or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.030175 and -99.367605, or 40º 1' 48.63" N, 99º 22' 3.378" W. This location is 451.98 miles away from Custer, SD and Cromwell, OK and it would take approximately 8 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Alma, NE, situated 432 miles from Custer, SD and 473 miles from Cromwell, OK. It would take 8 hours 16 mins to go from Custer to Alma and 8 hours 37 mins to go from Cromwell to Alma.