| Landerneau to Oria | 1,204.76 mi (1,938.88 km) |
| Landerneau to Oristano | 865.88 mi (1,393.50 km) |
| Landerneau to Orta Nova | 1,089.48 mi (1,753.34 km) |
| Landerneau to Orte | 903.67 mi (1,454.32 km) |
| Landerneau to Ortona | 994.70 mi (1,600.81 km) |
| Landerneau to Orvieto | 882.24 mi (1,419.84 km) |
| Landerneau to Orzinuovi | 700.45 mi (1,127.26 km) |
| Landerneau to Osimo | 915.49 mi (1,473.34 km) |
| Landerneau to Ospitaletto | 702.69 mi (1,130.87 km) |
| Landerneau to Ostuni | 1,193.55 mi (1,920.83 km) |
| Landerneau to Ottaviano | 1,055.69 mi (1,698.97 km) |
| Landerneau to Ovada | 665.94 mi (1,071.72 km) |
| Landerneau to Ozieri | 847.41 mi (1,363.78 km) |
| Landerneau to Paceco | 1,108.57 mi (1,784.07 km) |
| Landerneau to Pachino | 1,268.87 mi (2,042.05 km) |
