Distance between cities › USA › California › Ukiah, CA › Distance from Ukiah to Atherton Book Hotels

Distance from Ukiah, CA to Atherton, CA

Distance

144 mi

Time

3 hours 4 mins

Gas Cost

$22 - $42

There are 128.90 miles from Ukiah to Atherton in southeast direction and 144 miles (231.75 kilometers) by car, following the US-101 route.

Ukiah and Atherton are 3 hours 4 mins far apart, if you drive non-stop .

This is the fastest route from Ukiah, CA to Atherton, CA. The halfway point is Penngrove, CA.

Ukiah, CA and Atherton, CA are in the same time zone (PDT). Current time in both locations is 10:21 pm.

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Lowest Price Rental Cars in Ukiah, CA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ukiah »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 5.78 gallons of gas to cover the route between Ukiah, CA and Atherton, CA.

The estimated cost of gas to go from Ukiah to Atherton is $30.55.

During the route, an average car will release 113.16 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 Ukiah, CA and Atherton, CA

If you want to meet halfway between Ukiah, CA and Atherton, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.295521 and -122.695740, or 38º 17' 43.8756" N, 122º 41' 44.664" W. This location is 71.91 miles away from Ukiah, CA and Atherton, CA and it would take approximately 1 hour 32 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Penngrove, CA, situated 72 miles from Ukiah, CA and 73 miles from Atherton, CA. It would take 1 hour 13 mins to go from Ukiah to Penngrove and 1 hour 25 mins to go from Atherton to Penngrove.

Major City Closest to Halfway Point

The major city closest to the halfway point between Ukiah, CA and Atherton, CA is Santa Rosa, CA, situated 61 miles from Ukiah, CA and 84 miles from Atherton, CA. It would take 1 hour 1 min to go from Ukiah to and 1 hour 34 mins to go from Atherton to Santa Rosa.