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

Distance from Rio, IL to Dover, AR

Distance

529 mi

Time

10 hours 54 mins

Gas Cost

$49 - $96

There are 420.90 miles from Rio to Dover in southwest direction and 529 miles (851.34 kilometers) by car, following the US-54 route.

Rio and Dover are 10 hours 54 mins far apart, if you drive non-stop .

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

Rio, IL and Dover, AR are in the same time zone (CDT). Current time in both locations is 7:21 am.

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Lowest Price Rental Cars in Rio, IL

Planning on renting a car to go from Rio, IL to Dover, 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 21.24 gallons of gas to cover the route between Rio, IL and Dover, AR.

The estimated cost of gas to go from Rio to Dover is $69.28.

During the route, an average car will release 416.09 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 Dover, AR

If you want to meet halfway between Rio, IL and Dover, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.424495 and -92.329105, or 38º 25' 28.182" N, 92º 19' 44.778" W. This location is 264.41 miles away from Rio, IL and Dover, AR and it would take approximately 5 hours 27 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Henley, MO, situated 267 miles from Rio, IL and 270 miles from Dover, AR. It would take 5 hours 32 mins to go from Rio to Henley and 5 hours 49 mins to go from Dover to Henley.