| Cinisello Balsamo to Octeville | 578.39 mi (930.83 km) |
| Cinisello Balsamo to Oignies | 444.95 mi (716.08 km) |
| Cinisello Balsamo to Oissel | 460.89 mi (741.73 km) |
| Cinisello Balsamo to Olivet | 381.52 mi (613.99 km) |
| Cinisello Balsamo to Ollioules | 235.47 mi (378.95 km) |
| Cinisello Balsamo to Olonne-sur-Mer | 530.99 mi (854.54 km) |
| Cinisello Balsamo to Oloron-Sainte-Marie | 511.34 mi (822.92 km) |
| Cinisello Balsamo to Onet Village | 333.89 mi (537.34 km) |
| Cinisello Balsamo to Onnaing | 423.17 mi (681.02 km) |
| Cinisello Balsamo to Orange | 236.86 mi (381.19 km) |
| Cinisello Balsamo to Orchies | 437.87 mi (704.68 km) |
| Cinisello Balsamo to Orleans | 382.17 mi (615.04 km) |
| Cinisello Balsamo to Orly | 389.03 mi (626.08 km) |
| Cinisello Balsamo to Ormesson-sur-Marne | 384.99 mi (619.58 km) |
| Cinisello Balsamo to Orsay | 395.37 mi (636.29 km) |
