| South San Francisco to Opole | 5,877.07 mi (9,458.23 km) |
| South San Francisco to Orzesze | 5,926.00 mi (9,536.98 km) |
| South San Francisco to Osowa | 5,664.31 mi (9,115.83 km) |
| South San Francisco to Ostroda | 5,738.01 mi (9,234.44 km) |
| South San Francisco to Ostroleka | 5,807.94 mi (9,346.97 km) |
| South San Francisco to Ostrow Mazowiecka | 5,830.71 mi (9,383.62 km) |
| South San Francisco to Ostrow Wielkopolski | 5,816.01 mi (9,359.97 km) |
| South San Francisco to Ostrowiec Swietokrzyski | 5,934.86 mi (9,551.24 km) |
| South San Francisco to Ostrzeszow | 5,832.41 mi (9,386.36 km) |
| South San Francisco to Oswiecim | 5,943.07 mi (9,564.44 km) |
| South San Francisco to Otwock | 5,859.99 mi (9,430.74 km) |
| South San Francisco to Ozarow Mazowiecki | 5,844.54 mi (9,405.87 km) |
| South San Francisco to Ozimek | 5,882.88 mi (9,467.58 km) |
| South San Francisco to Ozorkow | 5,828.44 mi (9,379.97 km) |
| South San Francisco to Pabianice | 5,849.59 mi (9,414.01 km) |
