Chat Report Accident Traffic Portola Valley Traffic 2024-12-16 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Portola Valley Palo Alto, CA 4.90 mi Stanford, CA 7.23 mi Los Altos, CA 7.87 mi Interstate highway exits close to Portola Valley Exit 22, i280ca 4.20 mi Exit 20, i280ca 4.71 mi Exit 24, i280ca 5.02 mi Interstate highways close to Portola Valley i280ca map 4.20 mi i880ca map 24.75 mi i680ca map 28.75 mi State roads close to Portola Valley CA 35 map 3.17 mi CA 84 map 4.44 mi CA CR G3 map 4.61 mi