| Sannicandro Garganico to Octeville | 985.81 mi (1,586.51 km) |
| Sannicandro Garganico to Oignies | 845.30 mi (1,360.38 km) |
| Sannicandro Garganico to Oissel | 868.80 mi (1,398.19 km) |
| Sannicandro Garganico to Olivet | 786.81 mi (1,266.24 km) |
| Sannicandro Garganico to Ollioules | 503.09 mi (809.65 km) |
| Sannicandro Garganico to Olonne-sur-Mer | 916.15 mi (1,474.39 km) |
| Sannicandro Garganico to Oloron-Sainte-Marie | 827.74 mi (1,332.12 km) |
| Sannicandro Garganico to Onet Village | 676.65 mi (1,088.97 km) |
| Sannicandro Garganico to Onnaing | 821.47 mi (1,322.02 km) |
| Sannicandro Garganico to Orange | 566.06 mi (910.98 km) |
| Sannicandro Garganico to Orchies | 837.15 mi (1,347.27 km) |
| Sannicandro Garganico to Orleans | 787.67 mi (1,267.63 km) |
| Sannicandro Garganico to Orly | 796.95 mi (1,282.57 km) |
| Sannicandro Garganico to Ormesson-sur-Marne | 792.88 mi (1,276.02 km) |
| Sannicandro Garganico to Orsay | 803.28 mi (1,292.75 km) |
