Distance between cities › USA › Illinois › Walnut, IL › Distance from Walnut to Mendon Book Hotels

Distance from Walnut, IL to Mendon, IL

Distance

187 mi

Time

3 hours 48 mins

Gas Cost

$20 - $38

There are 134.54 miles from Walnut to Mendon in southwest direction and 187 miles (300.95 kilometers) by car, following the IL 110 route.

Walnut and Mendon are 3 hours 48 mins far apart, if you drive non-stop .

This is the fastest route from Walnut, IL to Mendon, IL. The halfway point is Cameron, IL.

Walnut, IL and Mendon, IL are in the same time zone (CDT). Current time in both locations is 2:36 am.

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Lowest Price Rental Cars in Walnut, IL

Planning on renting a car to go from Walnut, IL to Mendon, IL? Here there are some offers to rent a car in Walnut, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Walnut »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 7.53 gallons of gas to cover the route between Walnut, IL and Mendon, IL.

The estimated cost of gas to go from Walnut to Mendon is $27.56.

During the route, an average car will release 147.43 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 $3.66 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Walnut, IL and Mendon, IL

If you want to meet halfway between Walnut, IL and Mendon, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.922661 and -90.466377, or 40º 55' 21.5796" N, 90º 27' 58.9572" W. This location is 93.69 miles away from Walnut, IL and Mendon, IL and it would take approximately 1 hour 54 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cameron, IL, situated 98 miles from Walnut, IL and 91 miles from Mendon, IL. It would take 1 hour 44 mins to go from Walnut to Cameron and 1 hour 49 mins to go from Mendon to Cameron.