| Beek en Donk to Oerlinghausen | 133.26 mi (214.45 km) |
| Beek en Donk to Oestrich-Winkel | 148.20 mi (238.50 km) |
| Beek en Donk to Offenburg | 235.33 mi (378.73 km) |
| Beek en Donk to Oftersheim | 198.08 mi (318.79 km) |
| Beek en Donk to Ohrdruf | 226.27 mi (364.15 km) |
| Beek en Donk to Ohringen | 234.69 mi (377.70 km) |
| Beek en Donk to Olbernhau | 339.38 mi (546.19 km) |
| Beek en Donk to Olching | 342.19 mi (550.70 km) |
| Beek en Donk to Oldenburg | 155.73 mi (250.62 km) |
| Beek en Donk to Oldenburg in Holstein | 290.38 mi (467.32 km) |
| Beek en Donk to Olfen | 76.23 mi (122.69 km) |
| Beek en Donk to Olpe | 101.72 mi (163.70 km) |
| Beek en Donk to Olsberg | 123.52 mi (198.79 km) |
| Beek en Donk to Oranienburg | 333.17 mi (536.19 km) |
| Beek en Donk to Ortenberg | 169.87 mi (273.39 km) |
