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

Distance from Herreid, SD to Iona, SD

Distance

212 mi

Time

4 hours 23 mins

Gas Cost

$19 - $37

There are 158.15 miles from Herreid to Iona in southeast direction and 212 miles (341.18 kilometers) by car, following the US-83 and US-212 route.

Herreid and Iona are 4 hours 23 mins far apart, if you drive non-stop .

This is the fastest route from Herreid, SD to Iona, SD. The halfway point is Pierre, SD.

Herreid, SD and Iona, SD are in the same time zone (CDT). Current time in both locations is 12:50 pm.

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Lowest Price Rental Cars in Herreid, SD

Planning on renting a car to go from Herreid, SD to Iona, SD? Here there are some offers to rent a car in Herreid, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Herreid »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 8.52 gallons of gas to cover the route between Herreid, SD and Iona, SD.

The estimated cost of gas to go from Herreid to Iona is $26.70.

During the route, an average car will release 166.86 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 $3.14 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Herreid, SD and Iona, SD

If you want to meet halfway between Herreid, SD and Iona, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.374329 and -100.345573, or 44º 22' 27.5844" N, 100º 20' 44.0628" W. This location is 106.03 miles away from Herreid, SD and Iona, SD and it would take approximately 2 hours 11 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Pierre, SD, situated 112 miles from Herreid, SD and 100 miles from Iona, SD. It would take 2 hours 44 mins to go from Herreid to Pierre and 2 hours 8 mins to go from Iona to Pierre.