Distance between cities › USA › South Dakota › Webster, SD › Distance from Webster to Alma Book Hotels

Distance from Webster, SD to Alma, AR

Distance

793 mi

Time

13 hours 58 mins

Gas Cost

$74 - $144

There are 702.46 miles from Webster to Alma in southeast direction and 793 miles (1,276.21 kilometers) by car, following the I-29 and US-81 route.

Webster and Alma are 13 hours 58 mins far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Alma, AR. The halfway point is Watson, MO.

Webster, SD and Alma, AR are in the same time zone (CDT). Current time in both locations is 7:16 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Alma, AR? Here there are some offers to rent a car in Webster, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Webster »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 31.87 gallons of gas to cover the route between Webster, SD and Alma, AR.

The estimated cost of gas to go from Webster to Alma is $103.95.

During the route, an average car will release 624.35 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 Webster, SD and Alma, AR

If you want to meet halfway between Webster, SD and Alma, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.478168 and -95.624687, or 40º 28' 41.4048" N, 95º 37' 28.8732" W. This location is 396.75 miles away from Webster, SD and Alma, AR and it would take approximately 6 hours 59 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Watson, MO, situated 389 miles from Webster, SD and 410 miles from Alma, AR. It would take 6 hours to go from Webster to Watson and 6 hours 34 mins to go from Alma to Watson.