Distance between cities › USA › Illinois › Markham, IL › Distance from Markham to Brock Book Hotels

Distance from Markham, IL to Brock, TX

Distance

1,018 mi

Time

17 hours 59 mins

Gas Cost

$95 - $184

There are 834.31 miles from Markham to Brock in southwest direction and 1,018 miles (1,638.31 kilometers) by car, following the I-30 and US-70 route.

Markham and Brock are 17 hours 59 mins far apart, if you drive non-stop .

This is the fastest route from Markham, IL to Brock, TX.

Markham, IL and Brock, TX are in the same time zone (CDT). Current time in both locations is 8:35 am.

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Lowest Price Rental Cars in Markham, IL

Planning on renting a car to go from Markham, IL to Brock, TX? Here there are some offers to rent a car in Markham, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Markham »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 40.88 gallons of gas to cover the route between Markham, IL and Brock, TX.

The estimated cost of gas to go from Markham to Brock is $133.34.

During the route, an average car will release 800.84 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 Markham, IL and Brock, TX

If you want to meet halfway between Markham, IL and Brock, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.069396 and -90.669383, or 35º 4' 9.8256" N, 90º 40' 9.7788" W. This location is 508.90 miles away from Markham, IL and Brock, TX and it would take approximately 8 hours 59 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Round Pond, AR, situated 530 miles from Markham, IL and 493 miles from Brock, TX. It would take 9 hours 34 mins to go from Markham to Round Pond and 8 hours 45 mins to go from Brock to Round Pond.