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

Distance from Royal, IL to Patterson, CA

Distance

2,177 mi

Time

1 day 13 hours

Gas Cost

$203 - $394

There are 1,784.07 miles from Royal to Patterson in west direction and 2,177 miles (3,503.54 kilometers) by car, following the I-80 route.

Royal and Patterson are 1 day 13 hours far apart, if you drive non-stop .

This is the fastest route from Royal, IL to Patterson, CA.

Please note the time difference between Royal, IL and Patterson, CA is 2 hours. The current time in Royal is 10:00 pm and the current time in Patterson is 8:00 pm.

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Lowest Price Rental Cars in Royal, IL

Planning on renting a car to go from Royal, IL to Patterson, CA? 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 87.41 gallons of gas to cover the route between Royal, IL and Patterson, CA.

The estimated cost of gas to go from Royal to Patterson is $285.14.

During the route, an average car will release 1,712.59 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 Royal, IL and Patterson, CA

If you want to meet halfway between Royal, IL and Patterson, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.377541 and -105.80413, or 41º 22' 39.1476" N, 105º 48' 14.868" W. This location is 1,088.29 miles away from Royal, IL and Patterson, CA and it would take approximately 18 hours 41 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Mountain Home, WY, situated 1,059 miles from Royal, IL and 1,131 miles from Patterson, CA. It would take 18 hours 38 mins to go from Royal to Mountain Home and 19 hours 11 mins to go from Patterson to Mountain Home.