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

Distance from Iona, SD to Walling, TN

Distance

1,128 mi

Time

21 hours 41 mins

Gas Cost

$105 - $204

There are 908.25 miles from Iona to Walling in southeast direction and 1,128 miles (1,815.34 kilometers) by car, following the I-24 route.

Iona and Walling are 21 hours 41 mins far apart, if you drive non-stop .

This is the fastest route from Iona, SD to Walling, TN. The halfway point is Blackwater, MO.

Iona, SD and Walling, TN are in the same time zone (CDT). Current time in both locations is 8:54 am.

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Lowest Price Rental Cars in Iona, SD

Planning on renting a car to go from Iona, SD to Walling, 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 45.29 gallons of gas to cover the route between Iona, SD and Walling, TN.

The estimated cost of gas to go from Iona to Walling is $147.72.

During the route, an average car will release 887.24 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 Walling, TN

If you want to meet halfway between Iona, SD and Walling, TN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.935921 and -93.002769, or 38º 56' 9.3156" N, 93º 0' 9.9684" W. This location is 563.81 miles away from Iona, SD and Walling, TN and it would take approximately 10 hours 50 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Blackwater, MO, situated 574 miles from Iona, SD and 570 miles from Walling, TN. It would take 9 hours 26 mins to go from Iona to Blackwater and 8 hours 44 mins to go from Walling to Blackwater.