| Isbergues to Oria | 1,010.37 mi (1,626.03 km) |
| Isbergues to Oristano | 797.66 mi (1,283.71 km) |
| Isbergues to Orta Nova | 901.45 mi (1,450.74 km) |
| Isbergues to Orte | 734.06 mi (1,181.36 km) |
| Isbergues to Ortona | 804.07 mi (1,294.03 km) |
| Isbergues to Orvieto | 711.39 mi (1,144.87 km) |
| Isbergues to Orzinuovi | 499.19 mi (803.37 km) |
| Isbergues to Osimo | 714.70 mi (1,150.21 km) |
| Isbergues to Ospitaletto | 495.68 mi (797.73 km) |
| Isbergues to Ostuni | 996.54 mi (1,603.78 km) |
| Isbergues to Ottaviano | 887.70 mi (1,428.61 km) |
| Isbergues to Ovada | 503.61 mi (810.48 km) |
| Isbergues to Ozieri | 761.64 mi (1,225.73 km) |
| Isbergues to Paceco | 1,003.78 mi (1,615.43 km) |
| Isbergues to Pachino | 1,146.47 mi (1,845.06 km) |
