| Bergisch Gladbach to Novi di Modena | 455.92 mi (733.73 km) |
| Bergisch Gladbach to Novi Ligure | 437.38 mi (703.89 km) |
| Bergisch Gladbach to Nuoro | 745.12 mi (1,199.16 km) |
| Bergisch Gladbach to Occhiobello | 467.04 mi (751.62 km) |
| Bergisch Gladbach to Oderzo | 435.84 mi (701.41 km) |
| Bergisch Gladbach to Oggiono | 373.96 mi (601.83 km) |
| Bergisch Gladbach to Olbia | 705.27 mi (1,135.02 km) |
| Bergisch Gladbach to Oleggio | 378.87 mi (609.73 km) |
| Bergisch Gladbach to Olgiate Comasco | 369.57 mi (594.77 km) |
| Bergisch Gladbach to Olgiate Olona | 378.87 mi (609.73 km) |
| Bergisch Gladbach to Omegna | 358.12 mi (576.34 km) |
| Bergisch Gladbach to Opera | 399.21 mi (642.46 km) |
| Bergisch Gladbach to Oppeano | 435.23 mi (700.44 km) |
| Bergisch Gladbach to Orbassano | 413.91 mi (666.13 km) |
| Bergisch Gladbach to Orbetello | 621.50 mi (1,000.21 km) |
