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

Distance from Saint James, MO to Gregory, SD

Distance

680 mi

Time

13 hours

Gas Cost

$63 - $123

There are 546.36 miles from Saint James to Gregory in northwest direction and 680 miles (1,094.35 kilometers) by car, following the I-29 and US-59 and US-71 route.

Saint James and Gregory are 13 hours far apart, if you drive non-stop .

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

Saint James, MO and Gregory, SD are in the same time zone (CDT). Current time in both locations is 8:29 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 Gregory, 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 27.32 gallons of gas to cover the route between Saint James, MO and Gregory, SD.

The estimated cost of gas to go from Saint James to Gregory is $89.11.

During the route, an average car will release 535.22 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 Gregory, SD

If you want to meet halfway between Saint James, MO and Gregory, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.46585 and -95.587969, or 40º 27' 57.06" N, 95º 35' 16.6884" W. This location is 340.11 miles away from Saint James, MO and Gregory, SD and it would take approximately 6 hours 30 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Watson, MO, situated 345 miles from Saint James, MO and 338 miles from Gregory, SD. It would take 6 hours 34 mins to go from Saint James to Watson and 6 hours 33 mins to go from Gregory to Watson.