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

Distance from Webster, SD to Marissa, IL

Distance

803 mi

Time

14 hours 37 mins

Gas Cost

$75 - $146

There are 631.55 miles from Webster to Marissa in southeast direction and 803 miles (1,292.30 kilometers) by car, following the I-29 and US-81 route.

Webster and Marissa are 14 hours 37 mins far apart, if you drive non-stop .

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

Webster, SD and Marissa, IL are in the same time zone (CDT). Current time in both locations is 2:22 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Webster, SD to Marissa, IL:

Lowest Price Rental Cars in Webster, SD

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

The estimated cost of gas to go from Webster to Marissa is $105.22.

During the route, an average car will release 631.94 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 Marissa, IL

If you want to meet halfway between Webster, SD and Marissa, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.116858 and -95.226766, or 40º 7' 0.6888" N, 95º 13' 36.3576" W. This location is 401.57 miles away from Webster, SD and Marissa, IL and it would take approximately 7 hours 18 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mound City, MO, situated 424 miles from Webster, SD and 381 miles from Marissa, IL. It would take 7 hours 15 mins to go from Webster to Mound City and 7 hours 25 mins to go from Marissa to Mound City.