Distance between cities › USA › Missouri › Cascade, MO › Distance from Cascade to Olney Book Hotels

Distance from Cascade, MO to Olney, IL

Distance

230 mi

Time

4 hours 50 mins

Gas Cost

$21 - $42

There are 154.64 miles from Cascade to Olney in northeast direction and 230 miles (370.15 kilometers) by car, following the US-67 route.

Cascade and Olney are 4 hours 50 mins far apart, if you drive non-stop .

This is the fastest route from Cascade, MO to Olney, IL.

Cascade, MO and Olney, IL are in the same time zone (CDT). Current time in both locations is 4:09 am.

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Lowest Price Rental Cars in Cascade, MO

Planning on renting a car to go from Cascade, MO to Olney, IL? Here there are some offers to rent a car in Cascade, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cascade »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 9.25 gallons of gas to cover the route between Cascade, MO and Olney, IL.

The estimated cost of gas to go from Cascade to Olney is $30.16.

During the route, an average car will release 181.14 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 Cascade, MO and Olney, IL

If you want to meet halfway between Cascade, MO and Olney, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.582453 and -89.936845, or 38º 34' 56.8308" N, 89º 56' 12.642" W. This location is 115.11 miles away from Cascade, MO and Olney, IL and it would take approximately 2 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is O Fallon, IL, situated 125 miles from Cascade, MO and 105 miles from Olney, IL. It would take 2 hours 44 mins to go from Cascade to O Fallon and 2 hours 8 mins to go from Olney to O Fallon.

Major City Closest to Halfway Point

The major city closest to the halfway point between Cascade, MO and Olney, IL is Saint Louis, MO, situated 108 miles from Cascade, MO and 123 miles from Olney, IL. It would take 2 hours 25 mins to go from Cascade to Saint Louis and 2 hours 32 mins to go from Olney to Saint Louis.