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

Distance from Herreid, SD to Millboro, SD

Distance

229 mi

Time

4 hours 46 mins

Gas Cost

$21 - $40

There are 190.87 miles from Herreid to Millboro in south direction and 229 miles (368.54 kilometers) by car, following the US-183 route.

Herreid and Millboro are 4 hours 46 mins far apart, if you drive non-stop .

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

Herreid, SD and Millboro, SD are in the same time zone (CDT). Current time in both locations is 2:06 pm.

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Lowest Price Rental Cars in Herreid, SD

Planning on renting a car to go from Herreid, SD to Millboro, 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 9.20 gallons of gas to cover the route between Herreid, SD and Millboro, SD.

The estimated cost of gas to go from Herreid to Millboro is $28.85.

During the route, an average car will release 180.27 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 Millboro, SD

If you want to meet halfway between Herreid, SD and Millboro, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.374039 and -100.362381, or 44º 22' 26.5404" N, 100º 21' 44.5716" W. This location is 114.55 miles away from Herreid, SD and Millboro, SD and it would take approximately 2 hours 23 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 110 miles from Millboro, SD. It would take 2 hours 44 mins to go from Herreid to Pierre and 2 hours 50 mins to go from Millboro to Pierre.