Distance between cities › USA › Illinois › Gridley, IL › Distance from Gridley to Affton Book Hotels

Distance from Gridley, IL to Affton, MO

Distance

198 mi

Time

3 hours 47 mins

Gas Cost

$18 - $36

There are 170.05 miles from Gridley to Affton in southwest direction and 198 miles (318.65 kilometers) by car, following the I-55 route.

Gridley and Affton are 3 hours 47 mins far apart, if you drive non-stop .

This is the fastest route from Gridley, IL to Affton, MO.

Gridley, IL and Affton, MO are in the same time zone (CDT). Current time in both locations is 11:33 pm.

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Lowest Price Rental Cars in Gridley, IL

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Gridley »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 7.97 gallons of gas to cover the route between Gridley, IL and Affton, MO.

The estimated cost of gas to go from Gridley to Affton is $26.

During the route, an average car will release 156.17 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 Gridley, IL and Affton, MO

If you want to meet halfway between Gridley, IL and Affton, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.703801 and -89.643794, or 39º 42' 13.6836" N, 89º 38' 37.6584" W. This location is 99.24 miles away from Gridley, IL and Affton, MO and it would take approximately 1 hour 53 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Toronto, IL, situated 98 miles from Gridley, IL and 102 miles from Affton, MO. It would take 1 hour 52 mins to go from Gridley to Toronto and 2 hours to go from Affton to Toronto.

Major City Closest to Halfway Point

The major city closest to the halfway point between Gridley, IL and Affton, MO is Springfield, IL, situated 94 miles from Gridley, IL and 106 miles from Affton, MO. It would take 1 hour 50 mins to go from Gridley to Springfield and 2 hours 5 mins to go from Affton to Springfield.