Distance between cities › USA › Texas › Santo, TX › Distance from Santo to Arma Book Hotels

Distance from Santo, TX to Arma, KS

Distance

481 mi

Time

8 hours 49 mins

Gas Cost

$45 - $87

There are 394.92 miles from Santo to Arma in northeast direction and 481 miles (774.09 kilometers) by car, following the I-44 route.

Santo and Arma are 8 hours 49 mins far apart, if you drive non-stop .

This is the fastest route from Santo, TX to Arma, KS. The halfway point is Wardville, OK.

Santo, TX and Arma, KS are in the same time zone (CDT). Current time in both locations is 9:29 am.

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Lowest Price Rental Cars in Santo, TX

Planning on renting a car to go from Santo, TX to Arma, KS? Here there are some offers to rent a car in Santo, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Santo »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 19.32 gallons of gas to cover the route between Santo, TX and Arma, KS.

The estimated cost of gas to go from Santo to Arma is $63.03.

During the route, an average car will release 378.54 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 Santo, TX and Arma, KS

If you want to meet halfway between Santo, TX and Arma, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 34.589973 and -95.997108, or 34º 35' 23.9028" N, 95º 59' 49.5888" W. This location is 240.55 miles away from Santo, TX and Arma, KS and it would take approximately 4 hours 24 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wardville, OK, situated 233 miles from Santo, TX and 233 miles from Arma, KS. It would take 3 hours 44 mins to go from Santo to Wardville and 4 hours 8 mins to go from Arma to Wardville.