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

Distance from Saint James, MO to Walnut, IL

Distance

340 mi

Time

6 hours 39 mins

Gas Cost

$32 - $62

There are 268.30 miles from Saint James to Walnut in northeast direction and 340 miles (547.18 kilometers) by car, following the I-55 route.

Saint James and Walnut are 6 hours 39 mins far apart, if you drive non-stop .

This is the fastest route from Saint James, MO to Walnut, IL.

Saint James, MO and Walnut, IL are in the same time zone (CDT). Current time in both locations is 12:50 am.

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Lowest Price Rental Cars in Saint James, MO

Planning on renting a car to go from Saint James, MO to Walnut, IL? 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 13.66 gallons of gas to cover the route between Saint James, MO and Walnut, IL.

The estimated cost of gas to go from Saint James to Walnut is $44.55.

During the route, an average car will release 267.59 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 Walnut, IL

If you want to meet halfway between Saint James, MO and Walnut, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.377852 and -89.642789, or 39º 22' 40.2672" N, 89º 38' 34.0404" W. This location is 170.04 miles away from Saint James, MO and Walnut, IL and it would take approximately 3 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Waggoner, IL, situated 165 miles from Saint James, MO and 178 miles from Walnut, IL. It would take 3 hours 8 mins to go from Saint James to Waggoner and 3 hours 38 mins to go from Walnut to Waggoner.

Major City Closest to Halfway Point

The major city closest to the halfway point between Saint James, MO and Walnut, IL is Springfield, IL, situated 192 miles from Saint James, MO and 151 miles from Walnut, IL. It would take 3 hours 38 mins to go from Saint James to Springfield and 3 hours 11 mins to go from Walnut to Springfield.