Distance between cities › USA › Missouri › Cascade, MO › Distance from Cascade to Harmon Book Hotels

Distance from Cascade, MO to Harmon, IL

Distance

367 mi

Time

7 hours 34 mins

Gas Cost

$34 - $66

There are 307.87 miles from Cascade to Harmon in north direction and 367 miles (590.63 kilometers) by car, following the I-55 route.

Cascade and Harmon are 7 hours 34 mins far apart, if you drive non-stop .

This is the fastest route from Cascade, MO to Harmon, IL.

Cascade, MO and Harmon, IL are in the same time zone (CDT). Current time in both locations is 4:05 am.

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Lowest Price Rental Cars in Cascade, MO

Planning on renting a car to go from Cascade, MO to Harmon, IL? Here there are some offers to rent a car in Cascade, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cascade »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 14.72 gallons of gas to cover the route between Cascade, MO and Harmon, IL.

The estimated cost of gas to go from Cascade to Harmon is $48.02.

During the route, an average car will release 288.43 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 Cascade, MO and Harmon, IL

If you want to meet halfway between Cascade, MO and Harmon, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.478159 and -89.644556, or 39º 28' 41.3724" N, 89º 38' 40.4016" W. This location is 183.29 miles away from Cascade, MO and Harmon, IL and it would take approximately 3 hours 47 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Farmersville, IL, situated 181 miles from Cascade, MO and 187 miles from Harmon, IL. It would take 3 hours 45 mins to go from Cascade to Farmersville and 3 hours 52 mins to go from Harmon to Farmersville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Cascade, MO and Harmon, IL is Springfield, IL, situated 203 miles from Cascade, MO and 165 miles from Harmon, IL. It would take 4 hours 12 mins to go from Cascade to Springfield and 3 hours 32 mins to go from Harmon to Springfield.