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

Distance from Madison, SD to Keystone, IN

Distance

812 mi

Time

15 hours 42 mins

Gas Cost

$74 - $145

There are 649.27 miles from Madison to Keystone in southeast direction and 812 miles (1,306.79 kilometers) by car, following the I-90 route.

Madison and Keystone are 15 hours 42 mins far apart, if you drive non-stop .

This is the fastest route from Madison, SD to Keystone, IN.

Please note the time difference between Madison, SD and Keystone, IN is 1 hour. The current time in Madison is 1:00 am and the current time in Keystone is 2:00 am.

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Lowest Price Rental Cars in Madison, SD

Planning on renting a car to go from Madison, SD to Keystone, IN? 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 32.62 gallons of gas to cover the route between Madison, SD and Keystone, IN.

The estimated cost of gas to go from Madison to Keystone is $104.53.

During the route, an average car will release 639.18 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 Keystone, IN

If you want to meet halfway between Madison, SD and Keystone, IN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.963938 and -90.382322, or 43º 57' 50.1768" N, 90º 22' 56.3592" W. This location is 406.18 miles away from Madison, SD and Keystone, IN and it would take approximately 7 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Oakdale, WI, situated 385 miles from Madison, SD and 428 miles from Keystone, IN. It would take 6 hours 57 mins to go from Madison to Oakdale and 8 hours 47 mins to go from Keystone to Oakdale.