Distance between cities › USA › Illinois › Hillside, IL › Distance from Hillside to Saint Clair Book Hotels

Distance from Hillside, IL to Saint Clair, MO

Distance

340 mi

Time

6 hours 24 mins

Gas Cost

$32 - $62

There are 293.19 miles from Hillside to Saint Clair in southwest direction and 340 miles (547.18 kilometers) by car, following the I-55 route.

Hillside and Saint Clair are 6 hours 24 mins far apart, if you drive non-stop .

This is the fastest route from Hillside, IL to Saint Clair, MO.

Hillside, IL and Saint Clair, MO are in the same time zone (CDT). Current time in both locations is 2:59 pm.

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Lowest Price Rental Cars in Hillside, IL

Planning on renting a car to go from Hillside, IL to Saint Clair, MO? Here there are some offers to rent a car in Hillside, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Hillside »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 13.66 gallons of gas to cover the route between Hillside, IL and Saint Clair, MO.

The estimated cost of gas to go from Hillside to Saint Clair is $44.54.

During the route, an average car will release 267.53 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 Hillside, IL and Saint Clair, MO

If you want to meet halfway between Hillside, IL and Saint Clair, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.059181 and -89.451655, or 40º 3' 33.0516" N, 89º 27' 5.958" W. This location is 170.01 miles away from Hillside, IL and Saint Clair, MO and it would take approximately 3 hours 12 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Broadwell, IL, situated 168 miles from Hillside, IL and 173 miles from Saint Clair, MO. It would take 3 hours 10 mins to go from Hillside to Broadwell and 3 hours 17 mins to go from Saint Clair to Broadwell.

Major City Closest to Halfway Point

The major city closest to the halfway point between Hillside, IL and Saint Clair, MO is Springfield, IL, situated 194 miles from Hillside, IL and 148 miles from Saint Clair, MO. It would take 3 hours 41 mins to go from Hillside to Springfield and 2 hours 51 mins to go from Saint Clair to Springfield.