Distance between cities › USA › Illinois › Rio, IL › Distance from Rio to San Diego International Airport Book Hotels

Distance from Rio, IL to SAN Airport

Distance

1,949 mi

Time

1 day 10 hours

Gas Cost

$182 - $353

There are 1,581.18 miles from Rio to San Diego International Airport (SAN) in southwest direction and 1,949 miles (3,136.61 kilometers) by car, following the I-70 route.

Rio and SAN Airport are 1 day 10 hours far apart, if you drive non-stop .

This is the fastest route from Rio, IL to SAN Airport. The halfway point is Idaho Springs, CO.

Please note the time difference between Rio, IL and SAN Airport is 2 hours. The current time in Rio is 11:02 am and the current time in SAN Airport is 9:02 am.

Any questions or tips to share?

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

Lowest Price Rental Cars in Rio, IL

Planning on renting a car to go from Rio, IL to SAN Airport? 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 78.26 gallons of gas to cover the route between Rio, IL and SAN Airport.

The estimated cost of gas to go from Rio to SAN Airport is $255.27.

During the route, an average car will release 1,533.19 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 SAN Airport

If you want to meet halfway between Rio, IL and SAN Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.746948 and -105.515175, or 39º 44' 49.0128" N, 105º 30' 54.63" W. This location is 974.29 miles away from Rio, IL and SAN Airport and it would take approximately 17 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Idaho Springs, CO, situated 910 miles from Rio, IL and 1,052 miles from SAN Airport. It would take 13 hours 7 mins to go from Rio to Idaho Springs and 15 hours 43 mins to go from SAN to Idaho Springs.

Major City Closest to Halfway Point

The major city closest to the halfway point between Rio, IL and SAN Airport is Denver, CO, situated 882 miles from Rio, IL and 1,084 miles from SAN Airport. It would take 12 hours 43 mins to go from Rio to and 16 hours 18 mins to go from SAN to Denver.

Major Cities Along the Route

Some other major cities along the route include Thornton, CO,Westminster, CO,Arvada, CO,Lakewood, CO,North Las Vegas, NV,Las Vegas, NV,Enterprise, NV,Temecula, CA,Vista, CA,Escondido, CA,San Diego, CA,Murrieta, CA,Victorville, CA,Fontana, CA,Rancho Cucamonga, CA,Corona, CA, and Lincoln, NE.