| South San Francisco to Arcata (California) | 238.67 mi (384.11 km) |
| South San Francisco to Archdale (North Carolina) | 2,332.76 mi (3,754.22 km) |
| South San Francisco to Arden-Arcade (California) | 86.34 mi (138.95 km) |
| South San Francisco to Ardmore (Oklahoma) | 1,430.77 mi (2,302.60 km) |
| South San Francisco to Ardmore (Pennsylvania) | 2,512.04 mi (4,042.75 km) |
| South San Francisco to Arecibo (Puerto Rico) | 3,587.37 mi (5,773.31 km) |
| South San Francisco to Arkadelphia (Arkansas) | 1,653.83 mi (2,661.58 km) |
| South San Francisco to Arkansas City (Kansas) | 1,390.14 mi (2,237.21 km) |
| South San Francisco to Arlington (Tennessee) | 1,818.34 mi (2,926.34 km) |
| South San Francisco to Arlington (Texas) | 1,464.08 mi (2,356.22 km) |
| South San Francisco to Arlington (Virginia) | 2,434.30 mi (3,917.63 km) |
| South San Francisco to Arlington (Washington) | 726.74 mi (1,169.57 km) |
| South San Francisco to Arlington Heights (Illinois) | 1,838.89 mi (2,959.40 km) |
| South San Francisco to Arnold (Maryland) | 2,463.45 mi (3,964.54 km) |
| South San Francisco to Arnold (Missouri) | 1,735.81 mi (2,793.52 km) |
