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

Distance from Williamstown, MO to Orient, SD

Distance

655 mi

Time

12 hours 52 mins

Gas Cost

$61 - $119

There are 490.87 miles from Williamstown to Orient in northwest direction and 655 miles (1,054.12 kilometers) by car, following the I-29 route.

Williamstown and Orient are 12 hours 52 mins far apart, if you drive non-stop .

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

Williamstown, MO and Orient, SD are in the same time zone (CDT). Current time in both locations is 10:38 am.

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Lowest Price Rental Cars in Williamstown, MO

Planning on renting a car to go from Williamstown, MO to Orient, 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 26.32 gallons of gas to cover the route between Williamstown, MO and Orient, SD.

The estimated cost of gas to go from Williamstown to Orient is $85.85.

During the route, an average car will release 515.63 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 Orient, SD

If you want to meet halfway between Williamstown, MO and Orient, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.799108 and -96.052642, or 41º 47' 56.7888" N, 96º 3' 9.5112" W. This location is 327.66 miles away from Williamstown, MO and Orient, SD and it would take approximately 6 hours 26 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Little Sioux, IA, situated 321 miles from Williamstown, MO and 338 miles from Orient, SD. It would take 6 hours 45 mins to go from Williamstown to Little Sioux and 6 hours 16 mins to go from Orient to Little Sioux.