| Alzano Lombardo to Oerlinghausen | 433.48 mi (697.62 km) |
| Alzano Lombardo to Oestrich-Winkel | 305.58 mi (491.78 km) |
| Alzano Lombardo to Offenburg | 206.96 mi (333.07 km) |
| Alzano Lombardo to Oftersheim | 257.01 mi (413.62 km) |
| Alzano Lombardo to Ohrdruf | 355.13 mi (571.53 km) |
| Alzano Lombardo to Ohringen | 239.87 mi (386.04 km) |
| Alzano Lombardo to Olbernhau | 379.13 mi (610.15 km) |
| Alzano Lombardo to Olching | 186.25 mi (299.74 km) |
| Alzano Lombardo to Oldenburg | 516.60 mi (831.39 km) |
| Alzano Lombardo to Oldenburg in Holstein | 594.21 mi (956.28 km) |
| Alzano Lombardo to Olfen | 427.06 mi (687.28 km) |
| Alzano Lombardo to Olpe | 375.34 mi (604.05 km) |
| Alzano Lombardo to Olsberg | 392.33 mi (631.39 km) |
| Alzano Lombardo to Oranienburg | 510.22 mi (821.11 km) |
| Alzano Lombardo to Ortenberg | 321.00 mi (516.60 km) |
