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

Distance from Williamstown, MO to Farmer, SD

Distance

511 mi

Time

9 hours 57 mins

Gas Cost

$48 - $93

There are 386.43 miles from Williamstown to Farmer in northwest direction and 511 miles (822.37 kilometers) by car, following the I-29 route.

Williamstown and Farmer are 9 hours 57 mins far apart, if you drive non-stop .

This is the fastest route from Williamstown, MO to Farmer, SD.

Williamstown, MO and Farmer, SD are in the same time zone (CDT). Current time in both locations is 1:10 pm.

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Lowest Price Rental Cars in Williamstown, MO

Planning on renting a car to go from Williamstown, MO to Farmer, 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 20.52 gallons of gas to cover the route between Williamstown, MO and Farmer, SD.

The estimated cost of gas to go from Williamstown to Farmer is $66.93.

During the route, an average car will release 402.01 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 Farmer, SD

If you want to meet halfway between Williamstown, MO and Farmer, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.497142 and -95.03221, or 41º 29' 49.7112" N, 95º 1' 55.956" W. This location is 255.47 miles away from Williamstown, MO and Farmer, SD and it would take approximately 4 hours 58 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Marne, IA, situated 258 miles from Williamstown, MO and 260 miles from Farmer, SD. It would take 5 hours 37 mins to go from Williamstown to Marne and 4 hours 32 mins to go from Farmer to Marne.