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

Distance from Walnut, IL to SAN Airport

Distance

1,963 mi

Time

1 day 10 hours

Gas Cost

$183 - $356

Helpful Inaccurate

There are 1,628.86 miles from Walnut to San Diego International Airport (SAN) in southwest direction and 1,963 miles (3,159.14 kilometers) by car, following the I-70 route.

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

This is the fastest route from Walnut, IL to SAN Airport. The halfway point is Kittredge, CO.

Please note the time difference between Walnut, IL and SAN Airport is 2 hours. The current time in Walnut is 10:39 am and the current time in SAN Airport is 8:39 am.

Any questions or tips to share?

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

Lowest Price Rental Cars in Walnut, IL

Planning on renting a car to go from Walnut, IL to SAN Airport? Here there are some offers to rent a car in Walnut, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Walnut »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 78.84 gallons of gas to cover the route between Walnut, IL and SAN Airport.

The estimated cost of gas to go from Walnut to SAN Airport is $257.16.

During the route, an average car will release 1,544.56 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 Walnut, IL and SAN Airport

If you want to meet halfway between Walnut, 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 39.710842 and -105.300240, or 39º 42' 39.0312" N, 105º 18' 0.864" W. This location is 981.51 miles away from Walnut, IL and SAN Airport and it would take approximately 17 hours 21 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kittredge, CO, situated 928 miles from Walnut, IL and 1,069 miles from SAN Airport. It would take 13 hours 35 mins to go from Walnut to Kittredge and 16 hours 10 mins to go from SAN to Kittredge.

Major City Closest to Halfway Point

The major city closest to the halfway point between Walnut, IL and SAN Airport is Denver, CO, situated 907 miles from Walnut, IL and 1,084 miles from SAN Airport. It would take 13 hours 11 mins to go from Walnut 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, and Corona, CA.