30 miles.
About 280 miles
It depends greatly on where in Sunnyvale and where in San Jose, since they are almost adjacent. From downtown to downtown is about 9 miles.
It is 231.76 miles according to MapQuest.
It is 18.4 miles according to Google Maps.
It is 118 miles according to Google Maps.
It is 358 miles according to Google Maps.
It is 27.0 miles according to Google Maps.
It is 87.9 miles according to Google Maps.
173 miles following HIGHWAY 1 - NORTH (via the GOLDEN GATE BRIDGE to get out of San Francisco).
37 miles from Freemont, CA to San Francisco, CA taking this route:Take I-880 FREEWAY - NORTH, from Fremont, to I-80 WEST to SAN FRANCISCO - BAY BRIDGE.Take I-80, across the BAY BRIDGE (toll), into San Francisco.
It is 325 miles according to Google Maps.
It is 49.9 miles according to Google Maps