Distance between cities › USA › South Dakota › Iona, SD › Distance from Iona to Ashdown Book Hotels

Distance from Iona, SD to Ashdown, AR

Distance

925 mi

Time

17 hours 45 mins

Gas Cost

$86 - $168

There are 741.86 miles from Iona to Ashdown in southeast direction and 925 miles (1,488.64 kilometers) by car, following the US-81 route.

Iona and Ashdown are 17 hours 45 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Ashdown, AR. The halfway point is Newton, KS.

Iona, SD and Ashdown, AR are in the same time zone (CDT). Current time in both locations is 8:51 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Ashdown, AR? Here there are some offers to rent a car in Iona, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Iona »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 37.16 gallons of gas to cover the route between Iona, SD and Ashdown, AR.

The estimated cost of gas to go from Iona to Ashdown is $121.23.

During the route, an average car will release 728.11 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 Iona, SD and Ashdown, AR

If you want to meet halfway between Iona, SD and Ashdown, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.027744 and -97.322853, or 38º 1' 39.8784" N, 97º 19' 22.2708" W. This location is 462.69 miles away from Iona, SD and Ashdown, AR and it would take approximately 8 hours 52 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Newton, KS, situated 456 miles from Iona, SD and 460 miles from Ashdown, AR. It would take 7 hours 40 mins to go from Iona to Newton and 7 hours 54 mins to go from Ashdown to Newton.

Major City Closest to Halfway Point

The major city closest to the halfway point between Iona, SD and Ashdown, AR is Wichita, KS, situated 482 miles from Iona, SD and 435 miles from Ashdown, AR. It would take 8 hours 2 mins to go from Iona to and 7 hours 31 mins to go from Ashdown to Wichita.