| South San Francisco to Oswaldtwistle | 5,184.12 mi (8,343.03 km) |
| South San Francisco to Oswestry | 5,207.60 mi (8,380.82 km) |
| South San Francisco to Otley | 5,196.55 mi (8,363.03 km) |
| South San Francisco to Ovenden | 5,199.00 mi (8,366.97 km) |
| South San Francisco to Oxford | 5,315.37 mi (8,554.27 km) |
| South San Francisco to Oxted | 5,377.26 mi (8,653.87 km) |
| South San Francisco to Padbury | 5,313.54 mi (8,551.32 km) |
| South San Francisco to Padiham | 5,183.86 mi (8,342.62 km) |
| South San Francisco to Paignton | 5,309.59 mi (8,544.96 km) |
| South San Francisco to Paisley | 5,025.13 mi (8,087.16 km) |
| South San Francisco to Palmers Green | 5,356.05 mi (8,619.72 km) |
| South San Francisco to Parkstone | 5,346.08 mi (8,603.69 km) |
| South San Francisco to Partick | 5,027.14 mi (8,090.41 km) |
| South San Francisco to Patcham | 5,392.79 mi (8,678.86 km) |
| South San Francisco to Peebles | 5,069.22 mi (8,158.12 km) |
