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

Distance from Walnut, IL to Sundown, TX

Distance

1,130 mi

Time

20 hours 38 mins

Gas Cost

$105 - $205

There are 899.86 miles from Walnut to Sundown in southwest direction and 1,130 miles (1,818.56 kilometers) by car, following the I-44 and US-50 route.

Walnut and Sundown are 20 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Walnut, IL to Sundown, TX.

Walnut, IL and Sundown, TX are in the same time zone (CDT). Current time in both locations is 6:14 pm.

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Lowest Price Rental Cars in Walnut, IL

Planning on renting a car to go from Walnut, IL to Sundown, TX? 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 45.39 gallons of gas to cover the route between Walnut, IL and Sundown, TX.

The estimated cost of gas to go from Walnut to Sundown is $148.06.

During the route, an average car will release 889.27 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 Walnut, IL and Sundown, TX

If you want to meet halfway between Walnut, IL and Sundown, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.691413 and -95.016654, or 36º 41' 29.0868" N, 95º 0' 59.9544" W. This location is 565.10 miles away from Walnut, IL and Sundown, TX and it would take approximately 10 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Afton, OK, situated 565 miles from Walnut, IL and 570 miles from Sundown, TX. It would take 10 hours 41 mins to go from Walnut to Afton and 10 hours 8 mins to go from Sundown to Afton.