Distance between cities › USA › Missouri › Williamstown, MO › Distance from Williamstown to Harmony Book Hotels

Distance from Williamstown, MO to Harmony, MN

Distance

269 mi

Time

5 hours 56 mins

Gas Cost

$25 - $49

There are 229.28 miles from Williamstown to Harmony in north direction and 269 miles (432.91 kilometers) by car, following the US-218 and IA 27 route.

Williamstown and Harmony are 5 hours 56 mins far apart, if you drive non-stop .

This is the fastest route from Williamstown, MO to Harmony, MN.

Williamstown, MO and Harmony, MN are in the same time zone (CDT). Current time in both locations is 9:06 am.

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Lowest Price Rental Cars in Williamstown, MO

Planning on renting a car to go from Williamstown, MO to Harmony, MN? Here there are some offers to rent a car in Williamstown, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williamstown »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 10.81 gallons of gas to cover the route between Williamstown, MO and Harmony, MN.

The estimated cost of gas to go from Williamstown to Harmony is $35.27.

During the route, an average car will release 211.84 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 Williamstown, MO and Harmony, MN

If you want to meet halfway between Williamstown, MO and Harmony, MN or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.929056 and -91.669554, or 41º 55' 44.6016" N, 91º 40' 10.3944" W. This location is 134.61 miles away from Williamstown, MO and Harmony, MN and it would take approximately 2 hours 58 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest and also the major city is Cedar Rapids, IA, situated 140.1 miles from Williamstown, MO and 129.22 miles from Harmony, MN. It would take 3 hours 3 mins to go from Williamstown to Cedar Rapids and 2 hours 55 mins to go from Harmony to Cedar Rapids.