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

Distance from Custer, SD to Viola, IA

Distance

738 mi

Time

13 hours 5 mins

Gas Cost

$69 - $134

There are 627.97 miles from Custer to Viola in east direction and 738 miles (1,187.70 kilometers) by car, following the I-90 and US-14 route.

Custer and Viola are 13 hours 5 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Viola, IA.

Please note the time difference between Custer, SD and Viola, IA is 1 hour. The current time in Custer is 5:35 am and the current time in Viola is 6:35 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Viola, 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 29.65 gallons of gas to cover the route between Custer, SD and Viola, IA.

The estimated cost of gas to go from Custer to Viola is $96.71.

During the route, an average car will release 580.85 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 Viola, IA

If you want to meet halfway between Custer, SD and Viola, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.666487 and -97.146868, or 43º 39' 59.3532" N, 97º 8' 48.7248" W. This location is 369.11 miles away from Custer, SD and Viola, IA and it would take approximately 6 hours 32 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Montrose, SD, situated 360 miles from Custer, SD and 382 miles from Viola, IA. It would take 6 hours 3 mins to go from Custer to Montrose and 7 hours 15 mins to go from Viola to Montrose.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and Viola, IA is Sioux Falls, SD, situated 386 miles from Custer, SD and 357 miles from Viola, IA. It would take 6 hours 29 mins to go from Custer to Sioux Falls and 6 hours 49 mins to go from Viola to Sioux Falls.