Distance between cities › USA › Illinois › Elmhurst, IL › Distance from Elmhurst to Flat River Book Hotels

Distance from Elmhurst, IL to Flat River, MO

Distance

353 mi

Time

6 hours 39 mins

Gas Cost

$33 - $64

There are 311.32 miles from Elmhurst to Flat River in southwest direction and 353 miles (568.10 kilometers) by car, following the I-55 route.

Elmhurst and Flat River are 6 hours 39 mins far apart, if you drive non-stop .

This is the fastest route from Elmhurst, IL to Flat River, MO.

Elmhurst, IL and Flat River, MO are in the same time zone (CDT). Current time in both locations is 2:34 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Elmhurst, IL to Flat River, MO:

Lowest Price Rental Cars in Elmhurst, IL

Planning on renting a car to go from Elmhurst, IL to Flat River, MO? Here there are some offers to rent a car in Elmhurst, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Elmhurst »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 14.16 gallons of gas to cover the route between Elmhurst, IL and Flat River, MO.

The estimated cost of gas to go from Elmhurst to Flat River is $46.20.

During the route, an average car will release 277.50 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 Elmhurst, IL and Flat River, MO

If you want to meet halfway between Elmhurst, IL and Flat River, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.027131 and -89.481298, or 40º 1' 37.6716" N, 89º 28' 52.6728" W. This location is 176.34 miles away from Elmhurst, IL and Flat River, MO 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 Elkhart, IL, situated 173 miles from Elmhurst, IL and 180 miles from Flat River, MO. It would take 3 hours 17 mins to go from Elmhurst to Elkhart and 3 hours 26 mins to go from Flat River to Elkhart.

Major City Closest to Halfway Point

The major city closest to the halfway point between Elmhurst, IL and Flat River, MO is Springfield, IL, situated 194 miles from Elmhurst, IL and 160 miles from Flat River, MO. It would take 3 hours 43 mins to go from Elmhurst to Springfield and 3 hours 5 mins to go from Flat River to Springfield.