| Bois-Guillaume to Oestrich-Winkel | 309.33 mi (497.81 km) |
| Bois-Guillaume to Offenburg | 316.62 mi (509.56 km) |
| Bois-Guillaume to Oftersheim | 335.47 mi (539.88 km) |
| Bois-Guillaume to Ohrdruf | 435.51 mi (700.89 km) |
| Bois-Guillaume to Ohringen | 377.59 mi (607.67 km) |
| Bois-Guillaume to Olbernhau | 547.30 mi (880.80 km) |
| Bois-Guillaume to Olching | 471.61 mi (758.98 km) |
| Bois-Guillaume to Oldenburg | 397.60 mi (639.87 km) |
| Bois-Guillaume to Oldenburg in Holstein | 532.82 mi (857.49 km) |
| Bois-Guillaume to Olfen | 315.41 mi (507.61 km) |
| Bois-Guillaume to Olpe | 315.19 mi (507.25 km) |
| Bois-Guillaume to Olsberg | 349.11 mi (561.83 km) |
| Bois-Guillaume to Oranienburg | 571.59 mi (919.89 km) |
| Bois-Guillaume to Ortenberg | 358.17 mi (576.43 km) |
| Bois-Guillaume to Oschatz | 542.38 mi (872.88 km) |
