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

Distance from Madison, SD to Arco, ID

Distance

1,065 mi

Time

19 hours 6 mins

Gas Cost

$97 - $190

There are 806 miles from Madison to Arco in west direction and 1,065 miles (1,713.95 kilometers) by car, following the I-90 route.

Madison and Arco are 19 hours 6 mins far apart, if you drive non-stop .

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

Please note the time difference between Madison, SD and Arco, ID is 1 hour. The current time in Madison is 9:42 pm and the current time in Arco is 8:42 pm.

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Lowest Price Rental Cars in Madison, SD

Planning on renting a car to go from Madison, SD to Arco, 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 42.76 gallons of gas to cover the route between Madison, SD and Arco, ID.

The estimated cost of gas to go from Madison to Arco is $137.01.

During the route, an average car will release 837.82 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 Arco, ID

If you want to meet halfway between Madison, SD and Arco, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.226543 and -106.375320, or 44º 13' 35.5548" N, 106º 22' 31.152" W. This location is 532.41 miles away from Madison, SD and Arco, ID and it would take approximately 9 hours 33 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 571 miles from Arco, ID. It would take 7 hours 58 mins to go from Madison to Buffalo and 9 hours 1 min to go from Arco to Buffalo.