Distance between cities › USA › Illinois › Royal, IL › Distance from Royal to Unity Book Hotels

Distance from Royal, IL to Unity, IL

Distance

257 mi

Time

4 hours 54 mins

Gas Cost

$27 - $52

There are 221.63 miles from Royal to Unity in southwest direction and 257 miles (413.60 kilometers) by car, following the I-57 route.

Royal and Unity are 4 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Royal, IL to Unity, IL. The halfway point is Kinmundy, IL.

Royal, IL and Unity, IL 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 Royal, IL

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Royal »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 10.31 gallons of gas to cover the route between Royal, IL and Unity, IL.

The estimated cost of gas to go from Royal to Unity is $37.59.

During the route, an average car will release 202.01 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 Royal, IL and Unity, IL

If you want to meet halfway between Royal, IL and Unity, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.777122 and -88.859352, or 38º 46' 37.6392" N, 88º 51' 33.6672" W. This location is 128.37 miles away from Royal, IL and Unity, IL and it would take approximately 2 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 Kinmundy, IL, situated 133 miles from Royal, IL and 138 miles from Unity, IL. It would take 2 hours 28 mins to go from Royal to Kinmundy and 2 hours 23 mins to go from Unity to Kinmundy.