Distance between cities › USA › Texas › Perrin, TX › Distance from Perrin to Shamrock Book Hotels

Distance from Perrin, TX to Shamrock, TX

Distance

237 mi

Time

4 hours 33 mins

Gas Cost

$22 - $43

There are 195.52 miles from Perrin to Shamrock in northwest direction and 237 miles (381.41 kilometers) by car, following the US-281 route.

Perrin and Shamrock are 4 hours 33 mins far apart, if you drive non-stop .

This is the fastest route from Perrin, TX to Shamrock, TX. The halfway point is Vernon, TX.

Perrin, TX and Shamrock, TX are in the same time zone (CDT). Current time in both locations is 9:32 am.

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Lowest Price Rental Cars in Perrin, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Perrin »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 9.50 gallons of gas to cover the route between Perrin, TX and Shamrock, TX.

The estimated cost of gas to go from Perrin to Shamrock is $30.87.

During the route, an average car will release 186.18 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 Perrin, TX and Shamrock, TX

If you want to meet halfway between Perrin, TX and Shamrock, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 34.145805 and -99.212715, or 34º 8' 44.898" N, 99º 12' 45.774" W. This location is 118.31 miles away from Perrin, TX and Shamrock, TX and it would take approximately 2 hours 16 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Vernon, TX, situated 122 miles from Perrin, TX and 116 miles from Shamrock, TX. It would take 2 hours 18 mins to go from Perrin to Vernon and 2 hours 20 mins to go from Shamrock to Vernon.