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

Distance from Webster, SD to Herrin, IL

Distance

878 mi

Time

15 hours 47 mins

Gas Cost

$82 - $159

There are 679.90 miles from Webster to Herrin in southeast direction and 878 miles (1,413.00 kilometers) by car, following the I-29 and US-81 route.

Webster and Herrin are 15 hours 47 mins far apart, if you drive non-stop .

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

Webster, SD and Herrin, IL are in the same time zone (CDT). Current time in both locations is 1:04 pm.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Herrin, 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 35.27 gallons of gas to cover the route between Webster, SD and Herrin, IL.

The estimated cost of gas to go from Webster to Herrin is $115.03.

During the route, an average car will release 690.91 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 Herrin, IL

If you want to meet halfway between Webster, SD and Herrin, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.721459 and -94.788652, or 39º 43' 17.2524" N, 94º 47' 19.1472" W. This location is 439.05 miles away from Webster, SD and Herrin, IL and it would take approximately 7 hours 53 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Saint Joseph, MO, situated 460 miles from Webster, SD and 420 miles from Herrin, IL. It would take 7 hours 54 mins to go from Webster to Saint Joseph and 7 hours 58 mins to go from Herrin to Saint Joseph.