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

Distance from Custer, SD to Kelley, IA

Distance

641 mi

Time

11 hours 25 mins

Gas Cost

$60 - $116

There are 518.18 miles from Custer to Kelley in southeast direction and 641 miles (1,031.59 kilometers) by car, following the I-90 and US-14 route.

Custer and Kelley are 11 hours 25 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Kelley, IA. The halfway point is Mitchell, SD.

Please note the time difference between Custer, SD and Kelley, IA is 1 hour. The current time in Custer is 6:38 am and the current time in Kelley is 7:38 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Kelley, IA? 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 25.76 gallons of gas to cover the route between Custer, SD and Kelley, IA.

The estimated cost of gas to go from Custer to Kelley is $84.04.

During the route, an average car will release 504.74 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 Kelley, IA

If you want to meet halfway between Custer, SD and Kelley, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.694778 and -98.086136, or 43º 41' 41.2008" N, 98º 5' 10.0896" W. This location is 320.74 miles away from Custer, SD and Kelley, IA and it would take approximately 5 hours 42 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mitchell, SD, situated 316 miles from Custer, SD and 328 miles from Kelley, IA. It would take 4 hours 25 mins to go from Custer to Mitchell and 5 hours 7 mins to go from Kelley to Mitchell.