| Borgomanero to Oerlinghausen | 433.08 mi (696.98 km) |
| Borgomanero to Oestrich-Winkel | 297.89 mi (479.40 km) |
| Borgomanero to Offenburg | 192.80 mi (310.28 km) |
| Borgomanero to Oftersheim | 253.67 mi (408.25 km) |
| Borgomanero to Ohrdruf | 369.28 mi (594.30 km) |
| Borgomanero to Ohringen | 246.59 mi (396.85 km) |
| Borgomanero to Olbernhau | 409.71 mi (659.36 km) |
| Borgomanero to Olching | 218.84 mi (352.19 km) |
| Borgomanero to Oldenburg | 514.45 mi (827.92 km) |
| Borgomanero to Oldenburg in Holstein | 603.72 mi (971.60 km) |
| Borgomanero to Olfen | 418.62 mi (673.71 km) |
| Borgomanero to Olpe | 368.49 mi (593.03 km) |
| Borgomanero to Olsberg | 390.38 mi (628.25 km) |
| Borgomanero to Oranienburg | 532.53 mi (857.03 km) |
| Borgomanero to Ortenberg | 322.83 mi (519.54 km) |
