| Plabennec to Oria | 1,213.56 mi (1,953.04 km) |
| Plabennec to Oristano | 874.43 mi (1,407.25 km) |
| Plabennec to Orta Nova | 1,098.28 mi (1,767.51 km) |
| Plabennec to Orte | 912.49 mi (1,468.52 km) |
| Plabennec to Ortona | 1,003.49 mi (1,614.96 km) |
| Plabennec to Orvieto | 891.06 mi (1,434.03 km) |
| Plabennec to Orzinuovi | 709.11 mi (1,141.19 km) |
| Plabennec to Osimo | 924.23 mi (1,487.41 km) |
| Plabennec to Ospitaletto | 711.31 mi (1,144.75 km) |
| Plabennec to Ostuni | 1,202.34 mi (1,934.98 km) |
| Plabennec to Ottaviano | 1,064.52 mi (1,713.18 km) |
| Plabennec to Ovada | 674.73 mi (1,085.88 km) |
| Plabennec to Ozieri | 856.07 mi (1,377.71 km) |
| Plabennec to Paceco | 1,117.24 mi (1,798.03 km) |
| Plabennec to Pachino | 1,277.60 mi (2,056.09 km) |
