Distance between cities › USA › Illinois › Rio, IL › Distance from Rio to Modoc Book Hotels

Distance from Rio, IL to Modoc, IL

Distance

266 mi

Time

5 hours 25 mins

Gas Cost

$28 - $54

There are 212.07 miles from Rio to Modoc in south direction and 266 miles (428.09 kilometers) by car, following the I-55 route.

Rio and Modoc are 5 hours 25 mins far apart, if you drive non-stop .

This is the fastest route from Rio, IL to Modoc, IL. The halfway point is Grandview, IL.

Rio, IL and Modoc, IL are in the same time zone (CDT). Current time in both locations is 4:16 am.

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Lowest Price Rental Cars in Rio, IL

Planning on renting a car to go from Rio, IL to Modoc, IL? Here there are some offers to rent a car in Rio, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Rio »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 10.70 gallons of gas to cover the route between Rio, IL and Modoc, IL.

The estimated cost of gas to go from Rio to Modoc is $39.01.

During the route, an average car will release 209.62 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 $3.65 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Rio, IL and Modoc, IL

If you want to meet halfway between Rio, IL and Modoc, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.821491 and -89.601425, or 39º 49' 17.3676" N, 89º 36' 5.13" W. This location is 133.20 miles away from Rio, IL and Modoc, IL and it would take approximately 2 hours 42 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Grandview, IL, situated 130 miles from Rio, IL and 137 miles from Modoc, IL. It would take 2 hours 13 mins to go from Rio to Grandview and 2 hours 54 mins to go from Modoc to Grandview.

Major City Closest to Halfway Point

The major city closest to the halfway point between Rio, IL and Modoc, IL is Springfield, IL, situated 134 miles from Rio, IL and 132 miles from Modoc, IL. It would take 2 hours 18 mins to go from Rio to and 2 hours 49 mins to go from Modoc to Springfield.