Distance between cities › USA › South Dakota › Madison, SD › Distance from Madison to Mackay Book Hotels

Distance from Madison, SD to Mackay, ID

Distance

1,091 mi

Time

19 hours 39 mins

Gas Cost

$100 - $194

There are 819.23 miles from Madison to Mackay in west direction and 1,091 miles (1,755.79 kilometers) by car, following the I-90 route.

Madison and Mackay are 19 hours 39 mins far apart, if you drive non-stop .

This is the fastest route from Madison, SD to Mackay, ID. The halfway point is Buffalo, WY.

Please note the time difference between Madison, SD and Mackay, ID is 1 hour. The current time in Madison is 10:02 pm and the current time in Mackay is 9:02 pm.

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Lowest Price Rental Cars in Madison, SD

Planning on renting a car to go from Madison, SD to Mackay, ID? Here there are some offers to rent a car in Madison, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Madison »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 43.82 gallons of gas to cover the route between Madison, SD and Mackay, ID.

The estimated cost of gas to go from Madison to Mackay is $140.41.

During the route, an average car will release 858.57 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Madison, SD and Mackay, ID

If you want to meet halfway between Madison, SD and Mackay, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.288803 and -106.587341, or 44º 17' 19.6908" N, 106º 35' 14.4276" W. This location is 545.59 miles away from Madison, SD and Mackay, ID and it would take approximately 9 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo, WY, situated 552 miles from Madison, SD and 597 miles from Mackay, ID. It would take 7 hours 58 mins to go from Madison to Buffalo and 9 hours 40 mins to go from Mackay to Buffalo.