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

Distance from Iona, SD to Oacoma, SD

Distance

38 mi

Time

1 hour 9 mins

Gas Cost

$3 - $6

There are 13.99 miles from Iona to Oacoma in north direction and 38 miles (61.16 kilometers) by car, following the SD 47 route.

Iona and Oacoma are 1 hour 9 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Oacoma, SD.

Iona, SD and Oacoma, SD are in the same time zone (CDT). Current time in both locations is 9:49 pm.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Oacoma, SD? 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 1.52 gallons of gas to cover the route between Iona, SD and Oacoma, SD.

The estimated cost of gas to go from Iona to Oacoma is $4.70.

During the route, an average car will release 29.71 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 $3.10 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Iona, SD and Oacoma, SD

If you want to meet halfway between Iona, SD and Oacoma, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.732788 and -99.562813, or 43º 43' 58.0368" N, 99º 33' 46.1268" W. This location is 18.88 miles away from Iona, SD and Oacoma, SD and it would take approximately 34 minutes to reach the halfway point from both locations.