Distance between cities › USA › California › Williams, CA › Distance from Williams to Altadena Book Hotels

Distance from Williams, CA to Altadena, CA

Distance

442 mi

Time

8 hours 7 mins

Gas Cost

$67 - $130

There are 408.83 miles from Williams to Altadena in southeast direction and 442 miles (711.33 kilometers) by car, following the I-5 route.

Williams and Altadena are 8 hours 7 mins far apart, if you drive non-stop .

This is the fastest route from Williams, CA to Altadena, CA. The halfway point is Cantua Creek, CA.

Williams, CA and Altadena, CA are in the same time zone (PDT). Current time in both locations is 6:23 pm.

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to Altadena, CA? Here there are some offers to rent a car in Williams, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williams »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 17.76 gallons of gas to cover the route between Williams, CA and Altadena, CA.

The estimated cost of gas to go from Williams to Altadena is $93.97.

During the route, an average car will release 348.01 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 $5.29 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Williams, CA and Altadena, CA

If you want to meet halfway between Williams, CA and Altadena, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.501320 and -120.457069, or 36º 30' 4.752" N, 120º 27' 25.4484" W. This location is 221.15 miles away from Williams, CA and Altadena, CA and it would take approximately 4 hours 3 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cantua Creek, CA, situated 237 miles from Williams, CA and 223 miles from Altadena, CA. It would take 3 hours 42 mins to go from Williams to Cantua Creek and 3 hours 34 mins to go from Altadena to Cantua Creek.