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

Distance from Custer, SD to Pomeroy, IA

Distance

565 mi

Time

9 hours 46 mins

Gas Cost

$52 - $101

There are 456.87 miles from Custer to Pomeroy in east direction and 565 miles (909.28 kilometers) by car, following the I-90 and US-14 route.

Custer and Pomeroy are 9 hours 46 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Pomeroy, IA. The halfway point is White Lake, SD.

Please note the time difference between Custer, SD and Pomeroy, IA is 1 hour. The current time in Custer is 11:46 pm (Mar 11) and the current time in Pomeroy is 12:46 am (Mar 12).

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Pomeroy, 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 22.68 gallons of gas to cover the route between Custer, SD and Pomeroy, IA.

The estimated cost of gas to go from Custer to Pomeroy is $72.66.

During the route, an average car will release 444.29 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 Custer, SD and Pomeroy, IA

If you want to meet halfway between Custer, SD and Pomeroy, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.716801 and -98.761131, or 43º 43' 0.4836" N, 98º 45' 40.0716" W. This location is 282.33 miles away from Custer, SD and Pomeroy, IA and it would take approximately 4 hours 53 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is White Lake, SD, situated 281 miles from Custer, SD and 286 miles from Pomeroy, IA. It would take 3 hours 58 mins to go from Custer to White Lake and 4 hours 10 mins to go from Pomeroy to White Lake.