| Parabiago to Oerlinghausen | 442.96 mi (712.88 km) |
| Parabiago to Oestrich-Winkel | 310.02 mi (498.93 km) |
| Parabiago to Offenburg | 206.55 mi (332.41 km) |
| Parabiago to Oftersheim | 263.95 mi (424.78 km) |
| Parabiago to Ohrdruf | 373.24 mi (600.68 km) |
| Parabiago to Ohringen | 252.94 mi (407.07 km) |
| Parabiago to Olbernhau | 406.66 mi (654.45 km) |
| Parabiago to Olching | 214.06 mi (344.50 km) |
| Parabiago to Oldenburg | 525.15 mi (845.14 km) |
| Parabiago to Oldenburg in Holstein | 610.04 mi (981.76 km) |
| Parabiago to Olfen | 431.43 mi (694.32 km) |
| Parabiago to Olpe | 380.59 mi (612.50 km) |
| Parabiago to Olsberg | 400.73 mi (644.91 km) |
| Parabiago to Oranienburg | 533.40 mi (858.43 km) |
| Parabiago to Ortenberg | 331.51 mi (533.52 km) |
