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

Distance from Walnut, IL to Conroe, TX

Distance

998 mi

Time

18 hours 49 mins

Gas Cost

$93 - $181

There are 842.78 miles from Walnut to Conroe in southwest direction and 998 miles (1,606.13 kilometers) by car, following the US-67 route.

Walnut and Conroe are 18 hours 49 mins far apart, if you drive non-stop .

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

Walnut, IL and Conroe, TX are in the same time zone (CDT). Current time in both locations is 12:18 am.

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Lowest Price Rental Cars in Walnut, IL

Planning on renting a car to go from Walnut, IL to Conroe, 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 40.10 gallons of gas to cover the route between Walnut, IL and Conroe, TX.

The estimated cost of gas to go from Walnut to Conroe is $130.81.

During the route, an average car will release 785.63 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 Conroe, TX

If you want to meet halfway between Walnut, IL and Conroe, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.602915 and -91.241462, or 35º 36' 10.494" N, 91º 14' 29.2632" W. This location is 499.24 miles away from Walnut, IL and Conroe, TX and it would take approximately 9 hours 24 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Newport, AR, situated 503 miles from Walnut, IL and 500 miles from Conroe, TX. It would take 9 hours 45 mins to go from Walnut to Newport and 9 hours 11 mins to go from Conroe to Newport.