| Machelen to Oestrich-Winkel | 168.88 mi (271.78 km) |
| Machelen to Offenburg | 230.02 mi (370.19 km) |
| Machelen to Oftersheim | 212.22 mi (341.54 km) |
| Machelen to Ohrdruf | 274.51 mi (441.79 km) |
| Machelen to Ohringen | 253.73 mi (408.33 km) |
| Machelen to Olbernhau | 388.73 mi (625.60 km) |
| Machelen to Olching | 360.56 mi (580.27 km) |
| Machelen to Oldenburg | 222.66 mi (358.33 km) |
| Machelen to Oldenburg in Holstein | 357.55 mi (575.43 km) |
| Machelen to Olfen | 138.91 mi (223.55 km) |
| Machelen to Olpe | 147.98 mi (238.14 km) |
| Machelen to Olsberg | 178.05 mi (286.54 km) |
| Machelen to Oranienburg | 396.45 mi (638.03 km) |
| Machelen to Ortenberg | 205.97 mi (331.47 km) |
| Machelen to Oschatz | 376.90 mi (606.56 km) |
