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

Distance from Custer, SD to Delaware, IA

Distance

730 mi

Time

12 hours 54 mins

Gas Cost

$68 - $132

There are 623.79 miles from Custer to Delaware in east direction and 730 miles (1,174.82 kilometers) by car, following the I-90 and US-14 route.

Custer and Delaware are 12 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Delaware, IA. The halfway point is Humboldt, SD.

Please note the time difference between Custer, SD and Delaware, IA is 1 hour. The current time in Custer is 5:38 am and the current time in Delaware is 6:38 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Custer, SD to Delaware, IA:

Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Delaware, 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 29.32 gallons of gas to cover the route between Custer, SD and Delaware, IA.

The estimated cost of gas to go from Custer to Delaware is $95.63.

During the route, an average car will release 574.37 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 Delaware, IA

If you want to meet halfway between Custer, SD and Delaware, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.665840 and -97.122566, or 43º 39' 57.024" N, 97º 7' 21.2376" W. This location is 364.99 miles away from Custer, SD and Delaware, IA and it would take approximately 6 hours 27 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Humboldt, SD, situated 364 miles from Custer, SD and 369 miles from Delaware, IA. It would take 5 hours 1 min to go from Custer to Humboldt and 5 hours 37 mins to go from Delaware to Humboldt.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and Delaware, IA is Sioux Falls, SD, situated 387 miles from Custer, SD and 348 miles from Delaware, IA. It would take 5 hours 21 mins to go from Custer to and 5 hours 21 mins to go from Delaware to Sioux Falls.