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

Distance from Webster, SD to Alva, OK

Distance

668 mi

Time

13 hours 14 mins

Gas Cost

$62 - $121

There are 592.17 miles from Webster to Alva in south direction and 668 miles (1,075.04 kilometers) by car, following the US-81 route.

Webster and Alva are 13 hours 14 mins far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Alva, OK. The halfway point is Shelby, NE.

Webster, SD and Alva, OK are in the same time zone (CDT). Current time in both locations is 10:24 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Alva, OK? 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 26.83 gallons of gas to cover the route between Webster, SD and Alva, OK.

The estimated cost of gas to go from Webster to Alva is $87.53.

During the route, an average car will release 525.69 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 Alva, OK

If you want to meet halfway between Webster, SD and Alva, OK or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.189667 and -97.405716, or 41º 11' 22.8012" N, 97º 24' 20.5776" W. This location is 334.06 miles away from Webster, SD and Alva, OK and it would take approximately 6 hours 37 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Shelby, NE, situated 348 miles from Webster, SD and 364 miles from Alva, OK. It would take 5 hours 14 mins to go from Webster to Shelby and 6 hours 13 mins to go from Alva to Shelby.