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

Distance from Reliance, SD to Harmony, PA

Distance

1,161 mi

Time

21 hours

Gas Cost

$108 - $210

There are 1,014.58 miles from Reliance to Harmony in southeast direction and 1,161 miles (1,868.45 kilometers) by car, following the I-90 route.

Reliance and Harmony are 21 hours far apart, if you drive non-stop .

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

Please note the time difference between Reliance, SD and Harmony, PA is 1 hour. The current time in Reliance is 1:10 pm and the current time in Harmony is 2:10 pm.

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Lowest Price Rental Cars in Reliance, SD

Planning on renting a car to go from Reliance, SD to Harmony, PA? Here there are some offers to rent a car in Reliance, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Reliance »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 46.63 gallons of gas to cover the route between Reliance, SD and Harmony, PA.

The estimated cost of gas to go from Reliance to Harmony is $152.12.

During the route, an average car will release 913.66 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 Reliance, SD and Harmony, PA

If you want to meet halfway between Reliance, 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 43.287906 and -89.411273, or 43º 17' 16.4616" N, 89º 24' 40.5828" W. This location is 580.60 miles away from Reliance, SD and Harmony, PA and it would take approximately 10 hours 30 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Morrisonville, WI, situated 569 miles from Reliance, SD and 599 miles from Harmony, PA. It would take 9 hours 54 mins to go from Reliance to Morrisonville and 11 hours 20 mins to go from Harmony to Morrisonville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Reliance, SD and Harmony, PA is Madison, WI, situated 581 miles from Reliance, SD and 588 miles from Harmony, PA. It would take 10 hours 15 mins to go from Reliance to Madison and 11 hours 12 mins to go from Harmony to Madison.