Distance between cities › USA › Illinois › McCook, IL › Distance from McCook to Sullivan Book Hotels

Distance from McCook, IL to Sullivan, MO

Distance

350 mi

Time

6 hours 35 mins

Gas Cost

$33 - $63

There are 304 miles from McCook to Sullivan in southwest direction and 350 miles (563.27 kilometers) by car, following the I-55 route.

McCook and Sullivan are 6 hours 35 mins far apart, if you drive non-stop .

This is the fastest route from McCook, IL to Sullivan, MO. The halfway point is Williamsville, IL.

McCook, IL and Sullivan, MO are in the same time zone (CDT). Current time in both locations is 11:37 am.

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Lowest Price Rental Cars in McCook, IL

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in McCook »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 14.04 gallons of gas to cover the route between McCook, IL and Sullivan, MO.

The estimated cost of gas to go from McCook to Sullivan is $45.79.

During the route, an average car will release 275.04 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 McCook, IL and Sullivan, MO

If you want to meet halfway between McCook, IL and Sullivan, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.951057 and -89.556686, or 39º 57' 3.8052" N, 89º 33' 24.0696" W. This location is 174.78 miles away from McCook, IL and Sullivan, MO and it would take approximately 3 hours 17 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Williamsville, IL, situated 175 miles from McCook, IL and 177 miles from Sullivan, MO. It would take 2 hours 44 mins to go from McCook to Williamsville and 2 hours 50 mins to go from Sullivan to Williamsville.

Major City Closest to Halfway Point

The major city closest to the halfway point between McCook, IL and Sullivan, MO is Springfield, IL, situated 190 miles from McCook, IL and 162 miles from Sullivan, MO. It would take 3 hours to go from McCook to and 2 hours 37 mins to go from Sullivan to Springfield.