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

Distance from Williamstown, MO to Onida, SD

Distance

709 mi

Time

13 hours 16 mins

Gas Cost

$66 - $129

There are 521.71 miles from Williamstown to Onida in northwest direction and 709 miles (1,141.02 kilometers) by car, following the I-90 route.

Williamstown and Onida are 13 hours 16 mins far apart, if you drive non-stop .

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

Williamstown, MO and Onida, SD are in the same time zone (CDT). Current time in both locations is 9:13 am.

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Lowest Price Rental Cars in Williamstown, MO

Planning on renting a car to go from Williamstown, MO to Onida, 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 28.49 gallons of gas to cover the route between Williamstown, MO and Onida, SD.

The estimated cost of gas to go from Williamstown to Onida is $92.92.

During the route, an average car will release 558.10 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 Williamstown, MO and Onida, SD

If you want to meet halfway between Williamstown, MO and Onida, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.316085 and -96.306059, or 42º 18' 57.906" N, 96º 18' 21.8124" W. This location is 354.65 miles away from Williamstown, MO and Onida, SD and it would take approximately 6 hours 38 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Salix, IA, situated 358 miles from Williamstown, MO and 353 miles from Onida, SD. It would take 7 hours 24 mins to go from Williamstown to Salix and 5 hours 56 mins to go from Onida to Salix.