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

Distance from Webster, SD to Roanoke, IL

Distance

719 mi

Time

12 hours 47 mins

Gas Cost

$67 - $130

There are 523.69 miles from Webster to Roanoke in southeast direction and 719 miles (1,157.12 kilometers) by car, following the I-29 and US-81 route.

Webster and Roanoke are 12 hours 47 mins far apart, if you drive non-stop .

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

Webster, SD and Roanoke, IL are in the same time zone (CDT). Current time in both locations is 11:38 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Roanoke, 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 28.89 gallons of gas to cover the route between Webster, SD and Roanoke, IL.

The estimated cost of gas to go from Webster to Roanoke is $94.24.

During the route, an average car will release 566.01 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 Roanoke, IL

If you want to meet halfway between Webster, SD and Roanoke, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.496667 and -94.571648, or 41º 29' 48.0012" N, 94º 34' 17.9328" W. This location is 359.68 miles away from Webster, SD and Roanoke, IL and it would take approximately 6 hours 23 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Casey, IA, situated 385 miles from Webster, SD and 336 miles from Roanoke, IL. It would take 6 hours 32 mins to go from Webster to Casey and 6 hours 17 mins to go from Roanoke to Casey.