| Ploemeur to Oria | 1,153.31 mi (1,856.08 km) |
| Ploemeur to Oristano | 805.71 mi (1,296.66 km) |
| Ploemeur to Orta Nova | 1,037.81 mi (1,670.20 km) |
| Ploemeur to Orte | 851.12 mi (1,369.74 km) |
| Ploemeur to Ortona | 943.90 mi (1,519.07 km) |
| Ploemeur to Orvieto | 830.00 mi (1,335.75 km) |
| Ploemeur to Orzinuovi | 654.10 mi (1,052.67 km) |
| Ploemeur to Osimo | 866.57 mi (1,394.61 km) |
| Ploemeur to Ospitaletto | 657.11 mi (1,057.51 km) |
| Ploemeur to Ostuni | 1,142.46 mi (1,838.62 km) |
| Ploemeur to Ottaviano | 1,002.00 mi (1,612.57 km) |
| Ploemeur to Ovada | 615.25 mi (990.15 km) |
| Ploemeur to Ozieri | 788.27 mi (1,268.60 km) |
| Ploemeur to Paceco | 1,049.53 mi (1,689.06 km) |
| Ploemeur to Pachino | 1,210.53 mi (1,948.16 km) |
