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

Distance from Iona, SD to Postelle, TN

Distance

1,234 mi

Time

23 hours 51 mins

Gas Cost

$115 - $224

There are 993.68 miles from Iona to Postelle in southeast direction and 1,234 miles (1,985.93 kilometers) by car, following the I-24 route.

Iona and Postelle are 23 hours 51 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Postelle, TN.

Please note the time difference between Iona, SD and Postelle, TN is 1 hour. The current time in Iona is 8:41 am and the current time in Postelle is 9:41 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Postelle, TN? 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 49.55 gallons of gas to cover the route between Iona, SD and Postelle, TN.

The estimated cost of gas to go from Iona to Postelle is $161.63.

During the route, an average car will release 970.79 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 Postelle, TN

If you want to meet halfway between Iona, SD and Postelle, TN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.966985 and -92.307721, or 38º 58' 1.146" N, 92º 18' 27.7956" W. This location is 616.90 miles away from Iona, SD and Postelle, TN and it would take approximately 11 hours 55 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest and also the major city is Columbia, MO, situated 610.98 miles from Iona, SD and 625.16 miles from Postelle, TN. It would take 11 hours 54 mins to go from Iona to Columbia and 12 hours 3 mins to go from Postelle to Columbia.