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

Distance from Iona, SD to Duluth, KS

Distance

420 mi

Time

8 hours 59 mins

Gas Cost

$39 - $76

There are 325.86 miles from Iona to Duluth in southeast direction and 420 miles (675.92 kilometers) by car, following the US-81 route.

Iona and Duluth are 8 hours 59 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Duluth, KS.

Iona, SD and Duluth, KS are in the same time zone (CDT). Current time in both locations is 7:20 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Duluth, 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 16.87 gallons of gas to cover the route between Iona, SD and Duluth, KS.

The estimated cost of gas to go from Iona to Duluth is $55.02.

During the route, an average car will release 330.43 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 Duluth, KS

If you want to meet halfway between Iona, SD and Duluth, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.399914 and -97.698492, or 41º 23' 59.6904" N, 97º 41' 54.5712" W. This location is 209.98 miles away from Iona, SD and Duluth, KS and it would take approximately 4 hours 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Genoa, NE, situated 204 miles from Iona, SD and 216 miles from Duluth, KS. It would take 4 hours 31 mins to go from Iona to Genoa and 4 hours 28 mins to go from Duluth to Genoa.