| Porto Recanati to Octeville | 841.89 mi (1,354.89 km) |
| Porto Recanati to Oignies | 698.50 mi (1,124.13 km) |
| Porto Recanati to Oissel | 723.66 mi (1,164.62 km) |
| Porto Recanati to Olivet | 644.50 mi (1,037.22 km) |
| Porto Recanati to Ollioules | 393.58 mi (633.40 km) |
| Porto Recanati to Olonne-sur-Mer | 782.86 mi (1,259.90 km) |
| Porto Recanati to Oloron-Sainte-Marie | 716.78 mi (1,153.55 km) |
| Porto Recanati to Onet Village | 554.51 mi (892.41 km) |
| Porto Recanati to Onnaing | 674.68 mi (1,085.79 km) |
| Porto Recanati to Orange | 444.16 mi (714.81 km) |
| Porto Recanati to Orchies | 690.36 mi (1,111.02 km) |
| Porto Recanati to Orleans | 645.23 mi (1,038.40 km) |
| Porto Recanati to Orly | 651.98 mi (1,049.26 km) |
| Porto Recanati to Ormesson-sur-Marne | 647.72 mi (1,042.41 km) |
| Porto Recanati to Orsay | 658.55 mi (1,059.83 km) |
