| Lummen to Oestrich-Winkel | 140.57 mi (226.23 km) |
| Lummen to Offenburg | 212.43 mi (341.87 km) |
| Lummen to Oftersheim | 186.64 mi (300.37 km) |
| Lummen to Ohrdruf | 241.25 mi (388.25 km) |
| Lummen to Ohringen | 226.91 mi (365.18 km) |
| Lummen to Olbernhau | 355.47 mi (572.08 km) |
| Lummen to Olching | 334.54 mi (538.39 km) |
| Lummen to Oldenburg | 196.63 mi (316.44 km) |
| Lummen to Oldenburg in Holstein | 330.40 mi (531.73 km) |
| Lummen to Olfen | 106.97 mi (172.16 km) |
| Lummen to Olpe | 114.52 mi (184.30 km) |
| Lummen to Olsberg | 144.48 mi (232.51 km) |
| Lummen to Oranienburg | 363.82 mi (585.51 km) |
| Lummen to Ortenberg | 174.28 mi (280.48 km) |
| Lummen to Oschatz | 343.30 mi (552.49 km) |
