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

Distance from Rio, IL to Harrell, AR

Distance

669 mi

Time

12 hours 34 mins

Gas Cost

$62 - $121

There are 536.37 miles from Rio to Harrell in south direction and 669 miles (1,076.65 kilometers) by car, following the US-67 route.

Rio and Harrell are 12 hours 34 mins far apart, if you drive non-stop .

This is the fastest route from Rio, IL to Harrell, AR.

Rio, IL and Harrell, AR are in the same time zone (CDT). Current time in both locations is 1:47 pm.

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Lowest Price Rental Cars in Rio, IL

Planning on renting a car to go from Rio, IL to Harrell, AR? 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 26.85 gallons of gas to cover the route between Rio, IL and Harrell, AR.

The estimated cost of gas to go from Rio to Harrell is $87.58.

During the route, an average car will release 526.02 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 Rio, IL and Harrell, AR

If you want to meet halfway between Rio, IL and Harrell, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 37.366394 and -90.362903, or 37º 21' 59.0184" N, 90º 21' 46.4508" W. This location is 334.26 miles away from Rio, IL and Harrell, AR and it would take approximately 6 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 Cascade, MO, situated 337 miles from Rio, IL and 339 miles from Harrell, AR. It would take 6 hours 38 mins to go from Rio to Cascade and 6 hours 35 mins to go from Harrell to Cascade.