| Octeville to Oria | 1,127.35 mi (1,814.30 km) |
| Octeville to Oristano | 836.94 mi (1,346.93 km) |
| Octeville to Orta Nova | 1,013.72 mi (1,631.42 km) |
| Octeville to Orte | 833.19 mi (1,340.89 km) |
| Octeville to Ortona | 916.83 mi (1,475.50 km) |
| Octeville to Orvieto | 810.90 mi (1,305.02 km) |
| Octeville to Orzinuovi | 613.19 mi (986.83 km) |
| Octeville to Osimo | 832.45 mi (1,339.70 km) |
| Octeville to Ospitaletto | 613.24 mi (986.92 km) |
| Octeville to Ostuni | 1,114.96 mi (1,794.35 km) |
| Octeville to Ottaviano | 987.91 mi (1,589.89 km) |
| Octeville to Ovada | 593.02 mi (954.38 km) |
| Octeville to Ozieri | 810.68 mi (1,304.67 km) |
| Octeville to Paceco | 1,067.88 mi (1,718.59 km) |
| Octeville to Pachino | 1,222.34 mi (1,967.16 km) |
