Distance between cities › USA › Texas › Comstock, TX › Distance from Comstock to Castor Book Hotels

Distance from Comstock, TX to Castor, LA

Distance

603 mi

Time

11 hours 57 mins

Gas Cost

$55 - $107

There are 506.38 miles from Comstock to Castor in northeast direction and 603 miles (970.43 kilometers) by car, following the TX 21 route.

Comstock and Castor are 11 hours 57 mins far apart, if you drive non-stop .

This is the fastest route from Comstock, TX to Castor, LA.

Comstock, TX and Castor, LA are in the same time zone (CDT). Current time in both locations is 8:03 pm.

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Lowest Price Rental Cars in Comstock, TX

Planning on renting a car to go from Comstock, TX to Castor, LA? Here there are some offers to rent a car in Comstock, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Comstock »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 24.23 gallons of gas to cover the route between Comstock, TX and Castor, LA.

The estimated cost of gas to go from Comstock to Castor is $77.63.

During the route, an average car will release 474.71 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Comstock, TX and Castor, LA

If you want to meet halfway between Comstock, TX and Castor, LA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.232709 and -97.06628, or 30º 13' 57.7524" N, 97º 3' 58.608" W. This location is 301.66 miles away from Comstock, TX and Castor, LA and it would take approximately 5 hours 58 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Paige, TX, situated 298 miles from Comstock, TX and 306 miles from Castor, LA. It would take 5 hours 35 mins to go from Comstock to Paige and 6 hours 24 mins to go from Castor to Paige.