| Lannion to Oria | 1,177.30 mi (1,894.68 km) |
| Lannion to Oristano | 850.43 mi (1,368.63 km) |
| Lannion to Orta Nova | 1,062.29 mi (1,709.59 km) |
| Lannion to Orte | 877.50 mi (1,412.20 km) |
| Lannion to Ortona | 966.86 mi (1,556.01 km) |
| Lannion to Orvieto | 855.82 mi (1,377.31 km) |
| Lannion to Orzinuovi | 669.76 mi (1,077.88 km) |
| Lannion to Osimo | 886.26 mi (1,426.30 km) |
| Lannion to Ospitaletto | 671.50 mi (1,080.68 km) |
| Lannion to Ostuni | 1,165.78 mi (1,876.14 km) |
| Lannion to Ottaviano | 1,030.46 mi (1,658.37 km) |
| Lannion to Ovada | 638.54 mi (1,027.64 km) |
| Lannion to Ozieri | 829.82 mi (1,335.46 km) |
| Lannion to Paceco | 1,090.47 mi (1,754.94 km) |
| Lannion to Pachino | 1,249.44 mi (2,010.78 km) |
