Distance between cities › USA › Missouri › Saint James, MO › Distance from Saint James to Onaka Book Hotels

Distance from Saint James, MO to Onaka, SD

Distance

812 mi

Time

15 hours 34 mins

Gas Cost

$76 - $147

There are 641.04 miles from Saint James to Onaka in northwest direction and 812 miles (1,306.79 kilometers) by car, following the I-29 and US-6 route.

Saint James and Onaka are 15 hours 34 mins far apart, if you drive non-stop .

This is the fastest route from Saint James, MO to Onaka, SD.

Saint James, MO and Onaka, SD are in the same time zone (CDT). Current time in both locations is 6:07 pm.

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Lowest Price Rental Cars in Saint James, MO

Planning on renting a car to go from Saint James, MO to Onaka, SD? Here there are some offers to rent a car in Saint James, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Saint James »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 32.61 gallons of gas to cover the route between Saint James, MO and Onaka, SD.

The estimated cost of gas to go from Saint James to Onaka is $106.37.

During the route, an average car will release 638.87 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 Saint James, MO and Onaka, SD

If you want to meet halfway between Saint James, MO and Onaka, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.274988 and -95.89035, or 41º 16' 29.9568" N, 95º 53' 25.26" W. This location is 405.98 miles away from Saint James, MO and Onaka, SD and it would take approximately 7 hours 47 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Council Bluffs, IA, situated 404 miles from Saint James, MO and 405 miles from Onaka, SD. It would take 7 hours 38 mins to go from Saint James to Council Bluffs and 7 hours 56 mins to go from Onaka to Council Bluffs.

Major City Closest to Halfway Point

The major city closest to the halfway point between Saint James, MO and Onaka, SD is Omaha, NE, situated 411 miles from Saint James, MO and 412 miles from Onaka, SD. It would take 7 hours 46 mins to go from Saint James to Omaha and 8 hours 7 mins to go from Onaka to Omaha.