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

Distance from Webster, SD to Marion, IL

Distance

881 mi

Time

15 hours 50 mins

Gas Cost

$82 - $160

There are 687.01 miles from Webster to Marion in southeast direction and 881 miles (1,417.83 kilometers) by car, following the I-29 and US-81 route.

Webster and Marion are 15 hours 50 mins far apart, if you drive non-stop .

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

Webster, SD and Marion, IL are in the same time zone (CDT). Current time in both locations is 4:55 pm.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Marion, 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 35.37 gallons of gas to cover the route between Webster, SD and Marion, IL.

The estimated cost of gas to go from Webster to Marion is $115.38.

During the route, an average car will release 692.98 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 Marion, IL

If you want to meet halfway between Webster, SD and Marion, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.707378 and -94.788528, or 39º 42' 26.5608" N, 94º 47' 18.7008" W. This location is 440.37 miles away from Webster, SD and Marion, IL and it would take approximately 7 hours 55 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Agency, MO, situated 470 miles from Webster, SD and 415 miles from Marion, IL. It would take 8 hours 13 mins to go from Webster to Agency and 7 hours 56 mins to go from Marion to Agency.