| Macerata Campania to Octeville | 969.65 mi (1,560.50 km) |
| Macerata Campania to Oignies | 844.99 mi (1,359.87 km) |
| Macerata Campania to Oissel | 857.03 mi (1,379.25 km) |
| Macerata Campania to Olivet | 768.10 mi (1,236.14 km) |
| Macerata Campania to Ollioules | 454.52 mi (731.48 km) |
| Macerata Campania to Olonne-sur-Mer | 882.46 mi (1,420.18 km) |
| Macerata Campania to Oloron-Sainte-Marie | 775.08 mi (1,247.36 km) |
| Macerata Campania to Onet Village | 634.19 mi (1,020.63 km) |
| Macerata Campania to Onnaing | 822.64 mi (1,323.90 km) |
| Macerata Campania to Orange | 525.28 mi (845.36 km) |
| Macerata Campania to Orchies | 837.64 mi (1,348.06 km) |
| Macerata Campania to Orleans | 769.24 mi (1,237.97 km) |
| Macerata Campania to Orly | 785.11 mi (1,263.52 km) |
| Macerata Campania to Ormesson-sur-Marne | 781.71 mi (1,258.04 km) |
| Macerata Campania to Orsay | 790.58 mi (1,272.32 km) |
