| Lannion to Obernburg am Main | 572.15 mi (920.78 km) |
| Lannion to Obernkirchen | 603.08 mi (970.57 km) |
| Lannion to Oberschleissheim | 687.56 mi (1,106.51 km) |
| Lannion to Oberstdorf | 639.76 mi (1,029.59 km) |
| Lannion to Obertraubling | 709.22 mi (1,141.37 km) |
| Lannion to Obertshausen | 559.52 mi (900.46 km) |
| Lannion to Oberursel | 549.10 mi (883.70 km) |
| Lannion to Ochsenfurt | 613.03 mi (986.57 km) |
| Lannion to Ochsenhausen | 615.71 mi (990.90 km) |
| Lannion to Ochtrup | 525.38 mi (845.52 km) |
| Lannion to Odenthal | 496.26 mi (798.66 km) |
| Lannion to Oelde | 554.58 mi (892.51 km) |
| Lannion to Oelsnitz | 708.17 mi (1,139.68 km) |
| Lannion to Oer-Erkenschwick | 513.91 mi (827.05 km) |
| Lannion to Oerlinghausen | 578.38 mi (930.81 km) |
