Distance between cities › USA › Texas › Smiley, TX › Distance from Smiley to Pentagon Book Hotels

Distance from Smiley, TX to Pentagon, DC

Distance

1,602 mi

Time

1 day 4 hours

Gas Cost

$147 - $285

There are 1,347.30 miles from Smiley to Pentagon in northeast direction and 1,602 miles (2,578.17 kilometers) by car, following the I-40 route.

Smiley and Pentagon are 1 day 4 hours far apart, if you drive non-stop .

This is the fastest route from Smiley, TX to Pentagon, DC.

Please note the time difference between Smiley, TX and Pentagon, DC is 1 hour. The current time in Smiley is 9:43 pm and the current time in Pentagon is 10:43 pm.

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Lowest Price Rental Cars in Smiley, TX

Planning on renting a car to go from Smiley, TX to Pentagon, DC? Here there are some offers to rent a car in Smiley, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Smiley »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 64.35 gallons of gas to cover the route between Smiley, TX and Pentagon, DC.

The estimated cost of gas to go from Smiley to Pentagon is $206.18.

During the route, an average car will release 1,260.78 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 Smiley, TX and Pentagon, DC

If you want to meet halfway between Smiley, TX and Pentagon, DC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.716738 and -88.638213, or 35º 43' 0.2568" N, 88º 38' 17.5668" W. This location is 801.18 miles away from Smiley, TX and Pentagon, DC and it would take approximately 14 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Spring Creek, TN, situated 824 miles from Smiley, TX and 784 miles from Pentagon, DC. It would take 14 hours 25 mins to go from Smiley to Spring Creek and 14 hours 25 mins to go from Pentagon to Spring Creek.