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

Distance from Webster, SD to Ada, OK

Distance

803 mi

Time

15 hours 1 min

Gas Cost

$75 - $146

There are 730.81 miles from Webster to Ada in south direction and 803 miles (1,292.30 kilometers) by car, following the US-81 route.

Webster and Ada are 15 hours 1 min far apart, if you drive non-stop .

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

Webster, SD and Ada, OK are in the same time zone (CDT). Current time in both locations is 5:50 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Ada, 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 32.25 gallons of gas to cover the route between Webster, SD and Ada, OK.

The estimated cost of gas to go from Webster to Ada is $105.20.

During the route, an average car will release 631.82 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 Ada, OK

If you want to meet halfway between Webster, SD and Ada, OK or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.327919 and -97.575790, or 40º 19' 40.5084" N, 97º 34' 32.844" W. This location is 401.50 miles away from Webster, SD and Ada, OK and it would take approximately 7 hours 30 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Bruning, NE, situated 418 miles from Webster, SD and 433 miles from Ada, OK. It would take 6 hours 21 mins to go from Webster to Bruning and 6 hours 28 mins to go from Ada to Bruning.