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

Distance from Herreid, SD to Adelphi, MD

Distance

1,497 mi

Time

1 day 4 hours

Gas Cost

$140 - $271

There are 1,263.48 miles from Herreid to Adelphi in southeast direction and 1,497 miles (2,409.19 kilometers) by car, following the I-94 route.

Herreid and Adelphi are 1 day 4 hours far apart, if you drive non-stop .

This is the fastest route from Herreid, SD to Adelphi, MD. The halfway point is Janesville, WI.

Please note the time difference between Herreid, SD and Adelphi, MD is 1 hour. The current time in Herreid is 3:31 pm and the current time in Adelphi is 4:31 pm.

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Lowest Price Rental Cars in Herreid, SD

Planning on renting a car to go from Herreid, SD to Adelphi, MD? 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 60.12 gallons of gas to cover the route between Herreid, SD and Adelphi, MD.

The estimated cost of gas to go from Herreid to Adelphi is $196.12.

During the route, an average car will release 1,177.91 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Herreid, SD and Adelphi, MD

If you want to meet halfway between Herreid, SD and Adelphi, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.635109 and -88.992088, or 42º 38' 6.3924" N, 88º 59' 31.5168" W. This location is 748.52 miles away from Herreid, SD and Adelphi, MD and it would take approximately 14 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Janesville, WI, situated 762 miles from Herreid, SD and 808 miles from Adelphi, MD. It would take 11 hours 58 mins to go from Herreid to Janesville and 12 hours 21 mins to go from Adelphi to Janesville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Herreid, SD and Adelphi, MD is Rockford, IL, situated 796 miles from Herreid, SD and 787 miles from Adelphi, MD. It would take 12 hours 29 mins to go from Herreid to and 12 hours 4 mins to go from Adelphi to Rockford.