| Blegny to Oestrich-Winkel | 110.07 mi (177.13 km) |
| Blegny to Offenburg | 181.16 mi (291.54 km) |
| Blegny to Oftersheim | 155.04 mi (249.52 km) |
| Blegny to Ohrdruf | 218.81 mi (352.14 km) |
| Blegny to Ohringen | 195.75 mi (315.03 km) |
| Blegny to Olbernhau | 332.68 mi (535.40 km) |
| Blegny to Olching | 303.17 mi (487.90 km) |
| Blegny to Oldenburg | 201.16 mi (323.74 km) |
| Blegny to Oldenburg in Holstein | 331.45 mi (533.42 km) |
| Blegny to Olfen | 101.82 mi (163.86 km) |
| Blegny to Olpe | 94.76 mi (152.50 km) |
| Blegny to Olsberg | 128.53 mi (206.85 km) |
| Blegny to Oranienburg | 351.92 mi (566.37 km) |
| Blegny to Ortenberg | 147.52 mi (237.41 km) |
| Blegny to Oschatz | 323.58 mi (520.75 km) |
