| San Giovanni in Marignano to Octeville | 782.86 mi (1,259.89 km) |
| San Giovanni in Marignano to Oignies | 640.67 mi (1,031.06 km) |
| San Giovanni in Marignano to Oissel | 664.66 mi (1,069.67 km) |
| San Giovanni in Marignano to Olivet | 585.64 mi (942.50 km) |
| San Giovanni in Marignano to Ollioules | 348.24 mi (560.43 km) |
| San Giovanni in Marignano to Olonne-sur-Mer | 726.14 mi (1,168.60 km) |
| San Giovanni in Marignano to Oloron-Sainte-Marie | 668.11 mi (1,075.23 km) |
| San Giovanni in Marignano to Onet Village | 502.23 mi (808.27 km) |
| San Giovanni in Marignano to Onnaing | 617.10 mi (993.13 km) |
| San Giovanni in Marignano to Orange | 392.67 mi (631.95 km) |
| San Giovanni in Marignano to Orchies | 632.66 mi (1,018.17 km) |
| San Giovanni in Marignano to Orleans | 586.36 mi (943.66 km) |
| San Giovanni in Marignano to Orly | 592.96 mi (954.28 km) |
| San Giovanni in Marignano to Ormesson-sur-Marne | 588.72 mi (947.46 km) |
| San Giovanni in Marignano to Orsay | 599.52 mi (964.83 km) |
