Portola Valley is located in United States. It is positioned in "America/Los Angeles" time zone (GMT-8 ) with current time of 04:21 AM, Monday (difference from your time zone: hours). Portola Valley is populated place in California in San Mateo County with population of ∼4.4 thousand.
Places around Portola Valley sort by population
Menlo Park
9.1 km 
North Fair Oaks
10.6 km 
Stanford
7.6 km
Los Altos Hills
8.7 km 
Atherton
9.2 km
Woodside
5.4 km 
Emerald Lake Hills
9.4 km
West Menlo Park
6.2 km
Ladera
3.7 km 
Sources, notes:
• Map is powered by openstreetmap.org.
• Geographic location info from www.geonames.org database.
• Population data is only approximately value, it may be out of date.
• Distance calculator between two coordinates is powered by PHP with rounding precision of 0.1 km (or 1 km for longer distances), source code can be found at 1km.net site.
