Distance between cities › USA › South Dakota › Harrison, SD › Distance from Harrison to Decker Book Hotels

Distance from Harrison, SD to Decker, MI

Distance

876 mi

Time

17 hours 40 mins

Gas Cost

$82 - $159

There are 775.26 miles from Harrison to Decker in east direction and 876 miles (1,409.79 kilometers) by car and ferry, following the I-90 route.

Harrison and Decker are 17 hours 40 mins far apart, if you drive non-stop for 15 hours 10 mins and take a ferry for 2 hours 30 mins .

This is the fastest route from Harrison, SD to Decker, MI.

Please note the time difference between Harrison, SD and Decker, MI is 1 hour. The current time in Harrison is 9:38 am and the current time in Decker is 10:38 am.

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Lowest Price Rental Cars in Harrison, SD

Planning on renting a car to go from Harrison, SD to Decker, MI? Here there are some offers to rent a car in Harrison, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Harrison »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 35.20 gallons of gas to cover the route between Harrison, SD and Decker, MI.

The estimated cost of gas to go from Harrison to Decker is $114.81.

During the route, an average car will release 689.59 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 Harrison, SD and Decker, MI

If you want to meet halfway between Harrison, SD and Decker, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.942843 and -90.680381, or 43º 56' 34.2348" N, 90º 40' 49.3716" W. This location is 438.21 miles away from Harrison, SD and Decker, MI and it would take approximately 8 hours 50 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Fort Mccoy, WI, situated 437 miles from Harrison, SD and 444 miles from Decker, MI. It would take 7 hours 57 mins to go from Harrison to Fort Mccoy and 10 hours 1 min to go from Decker to Fort Mccoy.