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

Distance from Walnut, IL to Seneca, IL

Distance

68 mi

Time

1 hour 28 mins

Gas Cost

$7 - $14

There are 53.70 miles from Walnut to Seneca in southeast direction and 68 miles (109.44 kilometers) by car, following the I-80 route.

Walnut and Seneca are 1 hour 28 mins far apart, if you drive non-stop .

This is the fastest route from Walnut, IL to Seneca, IL. The halfway point is Dalzell, IL.

Walnut, IL and Seneca, IL are in the same time zone (CDT). Current time in both locations is 10:34 pm.

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Lowest Price Rental Cars in Walnut, IL

Planning on renting a car to go from Walnut, IL to Seneca, 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 2.72 gallons of gas to cover the route between Walnut, IL and Seneca, IL.

The estimated cost of gas to go from Walnut to Seneca is $9.92.

During the route, an average car will release 53.30 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 Seneca, IL

If you want to meet halfway between Walnut, IL and Seneca, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.364883 and -89.157028, or 41º 21' 53.5788" N, 89º 9' 25.3008" W. This location is 33.87 miles away from Walnut, IL and Seneca, IL and it would take approximately 44 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Dalzell, IL, situated 37 miles from Walnut, IL and 35 miles from Seneca, IL. It would take 49 minutes to go from Walnut to Dalzell and 40 minutes to go from Seneca to Dalzell.