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

Distance from Iona, SD to Arma, KS

Distance

593 mi

Time

11 hours 33 mins

Gas Cost

$55 - $107

There are 485.48 miles from Iona to Arma in southeast direction and 593 miles (954.34 kilometers) by car, following the I-29 and I-80 Local and US-6 route.

Iona and Arma are 11 hours 33 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Arma, KS. The halfway point is Modale, IA.

Iona, SD and Arma, KS are in the same time zone (CDT). Current time in both locations is 7:36 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Arma, KS? 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 23.80 gallons of gas to cover the route between Iona, SD and Arma, KS.

The estimated cost of gas to go from Iona to Arma is $77.64.

During the route, an average car will release 466.34 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 Arma, KS

If you want to meet halfway between Iona, SD and Arma, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.590309 and -95.949905, or 41º 35' 25.1124" N, 95º 56' 59.658" W. This location is 296.34 miles away from Iona, SD and Arma, KS and it would take approximately 5 hours 46 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Modale, IA, situated 273 miles from Iona, SD and 323 miles from Arma, KS. It would take 4 hours 56 mins to go from Iona to Modale and 4 hours 57 mins to go from Arma to Modale.

Major City Closest to Halfway Point

The major city closest to the halfway point between Iona, SD and Arma, KS is Omaha, NE, situated 305 miles from Iona, SD and 296 miles from Arma, KS. It would take 5 hours 27 mins to go from Iona to and 4 hours 35 mins to go from Arma to Omaha.