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

Distance from Webster, SD to Sullivan, WI

Distance

548 mi

Time

10 hours 16 mins

Gas Cost

$51 - $99

There are 470.44 miles from Webster to Sullivan in southeast direction and 548 miles (881.92 kilometers) by car, following the I-94 route.

Webster and Sullivan are 10 hours 16 mins far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Sullivan, WI.

Webster, SD and Sullivan, WI are in the same time zone (CDT). Current time in both locations is 8:36 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Sullivan, WI? 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 22 gallons of gas to cover the route between Webster, SD and Sullivan, WI.

The estimated cost of gas to go from Webster to Sullivan is $71.76.

During the route, an average car will release 430.99 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 Sullivan, WI

If you want to meet halfway between Webster, SD and Sullivan, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.949059 and -92.820152, or 44º 56' 56.6124" N, 92º 49' 12.5472" W. This location is 273.88 miles away from Webster, SD and Sullivan, WI and it would take approximately 5 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is West Lakeland, MN, situated 265 miles from Webster, SD and 285 miles from Sullivan, WI. It would take 5 hours 14 mins to go from Webster to West Lakeland and 5 hours 17 mins to go from Sullivan to West Lakeland.

Major City Closest to Halfway Point

The major city closest to the halfway point between Webster, SD and Sullivan, WI is Minneapolis, MN, situated 224 miles from Webster, SD and 305 miles from Sullivan, WI. It would take 4 hours 45 mins to go from Webster to Minneapolis and 5 hours 38 mins to go from Sullivan to Minneapolis.