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

Distance from Herreid, SD to Irwin, ID

Distance

873 mi

Time

15 hours 30 mins

Gas Cost

$81 - $158

There are 576.58 miles from Herreid to Irwin in southwest direction and 873 miles (1,404.96 kilometers) by car, following the US-83 route.

Herreid and Irwin are 15 hours 30 mins far apart, if you drive non-stop .

This is the fastest route from Herreid, SD to Irwin, ID.

Please note the time difference between Herreid, SD and Irwin, ID is 1 hour. The current time in Herreid is 4:49 pm and the current time in Irwin is 3:49 pm.

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Lowest Price Rental Cars in Herreid, SD

Planning on renting a car to go from Herreid, SD to Irwin, ID? 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 35.06 gallons of gas to cover the route between Herreid, SD and Irwin, ID.

The estimated cost of gas to go from Herreid to Irwin is $114.35.

During the route, an average car will release 686.81 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 Herreid, SD and Irwin, ID

If you want to meet halfway between Herreid, SD and Irwin, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.258916 and -106.923364, or 46º 15' 32.0976" N, 106º 55' 24.1104" W. This location is 436.44 miles away from Herreid, SD and Irwin, ID and it would take approximately 7 hours 45 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sanders, MT, situated 437 miles from Herreid, SD and 444 miles from Irwin, ID. It would take 7 hours 22 mins to go from Herreid to Sanders and 8 hours 27 mins to go from Irwin to Sanders.