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

Distance from Iona, SD to Downs, KS

Distance

326 mi

Time

6 hours 59 mins

Gas Cost

$30 - $59

There are 286.50 miles from Iona to Downs in south direction and 326 miles (524.65 kilometers) by car, following the US-281 and N-70 route.

Iona and Downs are 6 hours 59 mins far apart, if you drive non-stop .

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

Iona, SD and Downs, KS are in the same time zone (CDT). Current time in both locations is 7:17 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Iona, SD to Downs, KS:

Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Downs, 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 13.10 gallons of gas to cover the route between Iona, SD and Downs, KS.

The estimated cost of gas to go from Iona to Downs is $42.74.

During the route, an average car will release 256.68 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 Downs, KS

If you want to meet halfway between Iona, SD and Downs, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.763821 and -98.546752, or 41º 45' 49.7556" N, 98º 32' 48.3072" W. This location is 163.11 miles away from Iona, SD and Downs, KS and it would take approximately 3 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 Ericson, NE, situated 164 miles from Iona, SD and 176 miles from Downs, KS. It would take 3 hours 41 mins to go from Iona to Ericson and 3 hours 34 mins to go from Downs to Ericson.