| Marcq-en-Baroeul to Oestrich-Winkel | 221.09 mi (355.81 km) |
| Marcq-en-Baroeul to Offenburg | 264.79 mi (426.13 km) |
| Marcq-en-Baroeul to Oftersheim | 259.57 mi (417.74 km) |
| Marcq-en-Baroeul to Ohrdruf | 333.83 mi (537.24 km) |
| Marcq-en-Baroeul to Ohringen | 302.22 mi (486.38 km) |
| Marcq-en-Baroeul to Olbernhau | 447.90 mi (720.82 km) |
| Marcq-en-Baroeul to Olching | 406.57 mi (654.32 km) |
| Marcq-en-Baroeul to Oldenburg | 276.94 mi (445.70 km) |
| Marcq-en-Baroeul to Oldenburg in Holstein | 412.15 mi (663.29 km) |
| Marcq-en-Baroeul to Olfen | 199.11 mi (320.44 km) |
| Marcq-en-Baroeul to Olpe | 207.96 mi (334.69 km) |
| Marcq-en-Baroeul to Olsberg | 238.74 mi (384.21 km) |
| Marcq-en-Baroeul to Oranienburg | 456.87 mi (735.25 km) |
| Marcq-en-Baroeul to Ortenberg | 262.61 mi (422.63 km) |
| Marcq-en-Baroeul to Oschatz | 437.21 mi (703.62 km) |
