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

Distance from Herreid, SD to Monroe, SD

Distance

318 mi

Time

5 hours 44 mins

Gas Cost

$28 - $55

There are 214.44 miles from Herreid to Monroe in southeast direction and 318 miles (511.77 kilometers) by car, following the I-90 route.

Herreid and Monroe are 5 hours 44 mins far apart, if you drive non-stop .

This is the fastest route from Herreid, SD to Monroe, SD. The halfway point is Webster, SD.

Herreid, SD and Monroe, SD are in the same time zone (CDT). Current time in both locations is 11:18 am.

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Lowest Price Rental Cars in Herreid, SD

Planning on renting a car to go from Herreid, SD to Monroe, 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 12.76 gallons of gas to cover the route between Herreid, SD and Monroe, SD.

The estimated cost of gas to go from Herreid to Monroe is $39.99.

During the route, an average car will release 249.91 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 Monroe, SD

If you want to meet halfway between Herreid, SD and Monroe, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.341194 and -97.527176, or 45º 20' 28.2984" N, 97º 31' 37.8336" W. This location is 158.81 miles away from Herreid, SD and Monroe, SD and it would take approximately 2 hours 52 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Webster, SD, situated 151 miles from Herreid, SD and 176 miles from Monroe, SD. It would take 3 hours 11 mins to go from Herreid to Webster and 2 hours 45 mins to go from Monroe to Webster.