Distance between cities › USA › Texas › Washington, TX › Distance from Washington to Karnack Book Hotels

Distance from Washington, TX to Karnack, TX

Distance

235 mi

Time

4 hours 57 mins

Gas Cost

$22 - $42

There are 199.74 miles from Washington to Karnack in northeast direction and 235 miles (378.20 kilometers) by car, following the TX 90 route.

Washington and Karnack are 4 hours 57 mins far apart, if you drive non-stop .

This is the fastest route from Washington, TX to Karnack, TX. The halfway point is Kennard, TX.

Washington, TX and Karnack, TX are in the same time zone (CDT). Current time in both locations is 4:02 pm.

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Lowest Price Rental Cars in Washington, TX

Planning on renting a car to go from Washington, TX to Karnack, TX? Here there are some offers to rent a car in Washington, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Washington »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 9.43 gallons of gas to cover the route between Washington, TX and Karnack, TX.

The estimated cost of gas to go from Washington to Karnack is $30.23.

During the route, an average car will release 184.72 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 $3.21 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Washington, TX and Karnack, TX

If you want to meet halfway between Washington, TX and Karnack, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 31.357903 and -95.194069, or 31º 21' 28.4508" N, 95º 11' 38.6484" W. This location is 117.38 miles away from Washington, TX and Karnack, TX and it would take approximately 2 hours 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kennard, TX, situated 126 miles from Washington, TX and 129 miles from Karnack, TX. It would take 2 hours 3 mins to go from Washington to Kennard and 2 hours 24 mins to go from Karnack to Kennard.