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

Distance from Walnut, IL to Onarga, IL

Distance

142 mi

Time

3 hours 8 mins

Gas Cost

$15 - $29

There are 101.02 miles from Walnut to Onarga in southeast direction and 142 miles (228.53 kilometers) by car, following the I-80 route.

Walnut and Onarga are 3 hours 8 mins far apart, if you drive non-stop .

This is the fastest route from Walnut, IL to Onarga, IL. The halfway point is Minonk, IL.

Walnut, IL and Onarga, IL are in the same time zone (CDT). Current time in both locations is 10:37 pm.

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Lowest Price Rental Cars in Walnut, IL

Planning on renting a car to go from Walnut, IL to Onarga, 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 5.72 gallons of gas to cover the route between Walnut, IL and Onarga, IL.

The estimated cost of gas to go from Walnut to Onarga is $20.85.

During the route, an average car will release 112.01 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 $3.65 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Walnut, IL and Onarga, IL

If you want to meet halfway between Walnut, IL and Onarga, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.868195 and -89.036903, or 40º 52' 5.502" N, 89º 2' 12.8508" W. This location is 71.18 miles away from Walnut, IL and Onarga, IL and it would take approximately 1 hour 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Minonk, IL, situated 74 miles from Walnut, IL and 72 miles from Onarga, IL. It would take 1 hour 23 mins to go from Walnut to Minonk and 1 hour 43 mins to go from Onarga to Minonk.