Distance between cities › USA › Missouri › Williamstown, MO › Distance from Williamstown to Alcester Book Hotels

Distance from Williamstown, MO to Alcester, SD

Distance

421 mi

Time

8 hours 35 mins

Gas Cost

$39 - $76

There are 314.89 miles from Williamstown to Alcester in northwest direction and 421 miles (677.53 kilometers) by car, following the I-29 route.

Williamstown and Alcester are 8 hours 35 mins far apart, if you drive non-stop .

This is the fastest route from Williamstown, MO to Alcester, SD. The halfway point is Dexter, IA.

Williamstown, MO and Alcester, SD are in the same time zone (CDT). Current time in both locations is 11:48 am.

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Lowest Price Rental Cars in Williamstown, MO

Planning on renting a car to go from Williamstown, MO to Alcester, SD? Here there are some offers to rent a car in Williamstown, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williamstown »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 16.89 gallons of gas to cover the route between Williamstown, MO and Alcester, SD.

The estimated cost of gas to go from Williamstown to Alcester is $55.09.

During the route, an average car will release 330.89 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 Williamstown, MO and Alcester, SD

If you want to meet halfway between Williamstown, MO and Alcester, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.493992 and -94.228325, or 41º 29' 38.3712" N, 94º 13' 41.97" W. This location is 210.27 miles away from Williamstown, MO and Alcester, SD and it would take approximately 4 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 Dexter, IA, situated 215 miles from Williamstown, MO and 214 miles from Alcester, SD. It would take 4 hours 18 mins to go from Williamstown to Dexter and 3 hours 14 mins to go from Alcester to Dexter.