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

Distance from Rio, IL to Harmony, CA

Distance

2,037 mi

Time

1 day 12 hours

Gas Cost

$190 - $369

There are 1,695.39 miles from Rio to Harmony in southwest direction and 2,037 miles (3,278.23 kilometers) by car, following the I-70 route.

Rio and Harmony are 1 day 12 hours far apart, if you drive non-stop .

This is the fastest route from Rio, IL to Harmony, CA.

Please note the time difference between Rio, IL and Harmony, CA is 2 hours. The current time in Rio is 2:54 am and the current time in Harmony is 12:54 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Rio, IL to Harmony, CA:

Lowest Price Rental Cars in Rio, IL

Planning on renting a car to go from Rio, IL to Harmony, CA? 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 81.79 gallons of gas to cover the route between Rio, IL and Harmony, CA.

The estimated cost of gas to go from Rio to Harmony is $266.81.

During the route, an average car will release 1,602.51 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 Harmony, CA

If you want to meet halfway between Rio, IL and Harmony, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.647303 and -106.582587, or 39º 38' 50.2908" N, 106º 34' 57.3132" W. This location is 1,018.34 miles away from Rio, IL and Harmony, CA and it would take approximately 18 hours 5 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Edwards, CO, situated 980 miles from Rio, IL and 1,058 miles from Harmony, CA. It would take 17 hours 30 mins to go from Rio to Edwards and 18 hours 42 mins to go from Harmony to Edwards.

Major Cities Along the Route

Some major cities along the route include Thornton, CO, North Las Vegas, NV, Omaha, NE, Bakersfield, CA, Las Vegas, NV, Arvada, CO, Westminster, CO and Lincoln, NE.