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

Distance from Cascade, MO to Merna, IL

Distance

279 mi

Time

5 hours 39 mins

Gas Cost

$26 - $51

There are 235.43 miles from Cascade to Merna in northeast direction and 279 miles (449.01 kilometers) by car, following the I-55 route.

Cascade and Merna are 5 hours 39 mins far apart, if you drive non-stop .

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

Cascade, MO and Merna, IL are in the same time zone (CDT). Current time in both locations is 2:23 pm.

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Lowest Price Rental Cars in Cascade, MO

Planning on renting a car to go from Cascade, MO to Merna, 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 11.22 gallons of gas to cover the route between Cascade, MO and Merna, IL.

The estimated cost of gas to go from Cascade to Merna is $36.60.

During the route, an average car will release 219.83 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 Merna, IL

If you want to meet halfway between Cascade, MO and Merna, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.915617 and -89.816784, or 38º 54' 56.2212" N, 89º 49' 0.4224" W. This location is 139.69 miles away from Cascade, MO and Merna, IL and it would take approximately 2 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Worden, IL, situated 144 miles from Cascade, MO and 141 miles from Merna, IL. It would take 3 hours 8 mins to go from Cascade to Worden and 2 hours 44 mins to go from Merna to Worden.

Major City Closest to Halfway Point

The major city closest to the halfway point between Cascade, MO and Merna, IL is Saint Louis, MO, situated 108 miles from Cascade, MO and 173 miles from Merna, IL. It would take 2 hours 25 mins to go from Cascade to Saint Louis and 3 hours 20 mins to go from Merna to Saint Louis.