Distance between cities › USA › Texas › Spring, TX › Distance from Spring to Harmon Book Hotels

Distance from Spring, TX to Harmon, IL

Distance

1,023 mi

Time

19 hours 18 mins

Gas Cost

$94 - $182

There are 868.10 miles from Spring to Harmon in northeast direction and 1,023 miles (1,646.36 kilometers) by car, following the I-30 route.

Spring and Harmon are 19 hours 18 mins far apart, if you drive non-stop .

This is the fastest route from Spring, TX to Harmon, IL.

Spring, TX and Harmon, IL are in the same time zone (CDT). Current time in both locations is 11:35 pm.

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Lowest Price Rental Cars in Spring, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Spring »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 41.10 gallons of gas to cover the route between Spring, TX and Harmon, IL.

The estimated cost of gas to go from Spring to Harmon is $131.69.

During the route, an average car will release 805.27 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 Spring, TX and Harmon, IL

If you want to meet halfway between Spring, TX and Harmon, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 35.658286 and -91.219416, or 35º 39' 29.8296" N, 91º 13' 9.8976" W. This location is 511.72 miles away from Spring, TX and Harmon, IL and it would take approximately 9 hours 39 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Diaz, AR, situated 510 miles from Spring, TX and 516 miles from Harmon, IL. It would take 9 hours 17 mins to go from Spring to Diaz and 10 hours 8 mins to go from Harmon to Diaz.