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

Distance from Webster, SD to Arnett, OK

Distance

753 mi

Time

15 hours 3 mins

Gas Cost

$70 - $137

There are 646.26 miles from Webster to Arnett in south direction and 753 miles (1,211.84 kilometers) by car, following the US-81 route.

Webster and Arnett are 15 hours 3 mins far apart, if you drive non-stop .

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

Webster, SD and Arnett, OK are in the same time zone (CDT). Current time in both locations is 10:27 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Arnett, 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 30.25 gallons of gas to cover the route between Webster, SD and Arnett, OK.

The estimated cost of gas to go from Webster to Arnett is $98.68.

During the route, an average car will release 592.67 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 Arnett, OK

If you want to meet halfway between Webster, SD and Arnett, OK or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.085381 and -97.622887, or 40º 5' 7.3716" N, 97º 37' 22.3932" W. This location is 376.62 miles away from Webster, SD and Arnett, OK and it would take approximately 7 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Chester, NE, situated 442 miles from Webster, SD and 420 miles from Arnett, OK. It would take 6 hours 43 mins to go from Webster to Chester and 6 hours 31 mins to go from Arnett to Chester.