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

Distance from Webster, SD to Alcolu, SC

Distance

1,491 mi

Time

1 day 4 hours

Gas Cost

$139 - $270

There are 1,216.16 miles from Webster to Alcolu in southeast direction and 1,491 miles (2,399.53 kilometers) by car, following the I-94 route.

Webster and Alcolu are 1 day 4 hours far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Alcolu, SC. The halfway point is O Fallon, IL.

Please note the time difference between Webster, SD and Alcolu, SC is 1 hour. The current time in Webster is 2:48 pm and the current time in Alcolu is 3:48 pm.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Alcolu, SC? 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 59.88 gallons of gas to cover the route between Webster, SD and Alcolu, SC.

The estimated cost of gas to go from Webster to Alcolu is $195.32.

During the route, an average car will release 1,173.10 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 Alcolu, SC

If you want to meet halfway between Webster, SD and Alcolu, SC or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.610130 and -89.909103, or 38º 36' 36.468" N, 89º 54' 32.7708" W. This location is 745.46 miles away from Webster, SD and Alcolu, SC and it would take approximately 14 hours 16 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is O Fallon, IL, situated 770 miles from Webster, SD and 790 miles from Alcolu, SC. It would take 11 hours 19 mins to go from Webster to O Fallon and 12 hours 18 mins to go from Alcolu to O Fallon.

Major City Closest to Halfway Point

The major city closest to the halfway point between Webster, SD and Alcolu, SC is Saint Louis, MO, situated 754 miles from Webster, SD and 807 miles from Alcolu, SC. It would take 11 hours to go from Webster to and 12 hours 34 mins to go from Alcolu to Saint Louis.