| Millbrae to Octeville | 5,411.77 mi (8,709.40 km) |
| Millbrae to Oignies | 5,507.99 mi (8,864.25 km) |
| Millbrae to Oissel | 5,510.02 mi (8,867.52 km) |
| Millbrae to Olivet | 5,610.77 mi (9,029.67 km) |
| Millbrae to Ollioules | 5,983.57 mi (9,629.62 km) |
| Millbrae to Olonne-sur-Mer | 5,561.54 mi (8,950.44 km) |
| Millbrae to Oloron-Sainte-Marie | 5,768.97 mi (9,284.26 km) |
| Millbrae to Onet Village | 5,814.76 mi (9,357.95 km) |
| Millbrae to Onnaing | 5,529.63 mi (8,899.09 km) |
| Millbrae to Orange | 5,897.29 mi (9,490.77 km) |
| Millbrae to Orchies | 5,514.92 mi (8,875.41 km) |
| Millbrae to Orleans | 5,609.03 mi (9,026.87 km) |
| Millbrae to Orly | 5,580.08 mi (8,980.27 km) |
| Millbrae to Ormesson-sur-Marne | 5,582.27 mi (8,983.79 km) |
| Millbrae to Orsay | 5,576.28 mi (8,974.16 km) |
