Distance between cities › USA › Texas › Marlin, TX › Distance from Marlin to Armstrong Book Hotels

Distance from Marlin, TX to Armstrong, TX

Distance

342 mi

Time

6 hours 35 mins

Gas Cost

$32 - $62

There are 307.63 miles from Marlin to Armstrong in south direction and 342 miles (550.40 kilometers) by car, following the US-77 route.

Marlin and Armstrong are 6 hours 35 mins far apart, if you drive non-stop .

This is the fastest route from Marlin, TX to Armstrong, TX. The halfway point is Kirby, TX.

Marlin, TX and Armstrong, TX are in the same time zone (CDT). Current time in both locations is 11:19 am.

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Lowest Price Rental Cars in Marlin, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Marlin »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 13.73 gallons of gas to cover the route between Marlin, TX and Armstrong, TX.

The estimated cost of gas to go from Marlin to Armstrong is $44.61.

During the route, an average car will release 269.08 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 $3.25 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Marlin, TX and Armstrong, TX

If you want to meet halfway between Marlin, TX and Armstrong, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 29.432081 and -98.392677, or 29º 25' 55.4916" N, 98º 23' 33.6372" W. This location is 170.99 miles away from Marlin, TX and Armstrong, TX and it would take approximately 3 hours 17 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kirby, TX, situated 178 miles from Marlin, TX and 201 miles from Armstrong, TX. It would take 2 hours 59 mins to go from Marlin to Kirby and 3 hours 21 mins to go from Armstrong to Kirby.

Major City Closest to Halfway Point

The major city closest to the halfway point between Marlin, TX and Armstrong, TX is San Antonio, TX, situated 182 miles from Marlin, TX and 199 miles from Armstrong, TX. It would take 3 hours 1 min to go from Marlin to and 3 hours 16 mins to go from Armstrong to San Antonio.