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

Distance from Webster, SD to Avon, IL

Distance

657 mi

Time

11 hours 54 mins

Gas Cost

$61 - $119

There are 481.54 miles from Webster to Avon in southeast direction and 657 miles (1,057.34 kilometers) by car, following the I-29 and US-81 route.

Webster and Avon are 11 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Avon, IL. The halfway point is Brayton, IA.

Webster, SD and Avon, IL are in the same time zone (CDT). Current time in both locations is 8:35 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Avon, 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 26.37 gallons of gas to cover the route between Webster, SD and Avon, IL.

The estimated cost of gas to go from Webster to Avon is $86.02.

During the route, an average car will release 516.63 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 Avon, IL

If you want to meet halfway between Webster, SD and Avon, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.492584 and -95.000702, or 41º 29' 33.3024" N, 95º 0' 2.5272" W. This location is 328.30 miles away from Webster, SD and Avon, IL and it would take approximately 5 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Brayton, IA, situated 365 miles from Webster, SD and 317 miles from Avon, IL. It would take 5 hours 8 mins to go from Webster to Brayton and 5 hours to go from Avon to Brayton.