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

Distance from Madison, SD to Harmony, PA

Distance

1,058 mi

Time

19 hours 32 mins

Gas Cost

$99 - $192

There are 892.70 miles from Madison to Harmony in southeast direction and 1,058 miles (1,702.69 kilometers) by car, following the I-90 route.

Madison and Harmony are 19 hours 32 mins far apart, if you drive non-stop .

This is the fastest route from Madison, SD to Harmony, PA.

Please note the time difference between Madison, SD and Harmony, PA is 1 hour. The current time in Madison is 2:25 am and the current time in Harmony is 3:25 am.

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Lowest Price Rental Cars in Madison, SD

Planning on renting a car to go from Madison, SD to Harmony, PA? 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 42.47 gallons of gas to cover the route between Madison, SD and Harmony, PA.

The estimated cost of gas to go from Madison to Harmony is $138.54.

During the route, an average car will release 832.07 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 Madison, SD and Harmony, PA

If you want to meet halfway between Madison, SD and Harmony, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.42314 and -88.985741, or 42º 25' 23.304" N, 88º 59' 8.6676" W. This location is 528.75 miles away from Madison, SD and Harmony, PA and it would take approximately 9 hours 46 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Roscoe, IL, situated 530 miles from Madison, SD and 532 miles from Harmony, PA. It would take 9 hours 35 mins to go from Madison to Roscoe and 10 hours 9 mins to go from Harmony to Roscoe.

Major City Closest to Halfway Point

The major city closest to the halfway point between Madison, SD and Harmony, PA is Rockford, IL, situated 544 miles from Madison, SD and 527 miles from Harmony, PA. It would take 9 hours 53 mins to go from Madison to Rockford and 10 hours 5 mins to go from Harmony to Rockford.