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

Distance from Webster, SD to Riverton, IL

Distance

764 mi

Time

13 hours 30 mins

Gas Cost

$71 - $139

There are 555 miles from Webster to Riverton in southeast direction and 764 miles (1,229.54 kilometers) by car, following the I-29 and US-81 route.

Webster and Riverton are 13 hours 30 mins far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Riverton, IL.

Webster, SD and Riverton, IL are in the same time zone (CDT). Current time in both locations is 10:04 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Riverton, IL? 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 30.70 gallons of gas to cover the route between Webster, SD and Riverton, IL.

The estimated cost of gas to go from Webster to Riverton is $100.14.

During the route, an average car will release 601.44 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 Riverton, IL

If you want to meet halfway between Webster, SD and Riverton, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.492972 and -94.260982, or 41º 29' 34.6992" N, 94º 15' 39.5352" W. This location is 382.19 miles away from Webster, SD and Riverton, IL and it would take approximately 6 hours 45 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Dexter, IA, situated 401 miles from Webster, SD and 365 miles from Riverton, IL. It would take 6 hours 51 mins to go from Webster to Dexter and 6 hours 44 mins to go from Riverton to Dexter.