| Massa Lombarda to Oerlinghausen | 539.09 mi (867.58 km) |
| Massa Lombarda to Oestrich-Winkel | 423.09 mi (680.89 km) |
| Massa Lombarda to Offenburg | 333.35 mi (536.47 km) |
| Massa Lombarda to Oftersheim | 372.55 mi (599.56 km) |
| Massa Lombarda to Ohrdruf | 443.55 mi (713.82 km) |
| Massa Lombarda to Ohringen | 345.94 mi (556.74 km) |
| Massa Lombarda to Olbernhau | 435.29 mi (700.53 km) |
| Massa Lombarda to Olching | 260.19 mi (418.74 km) |
| Massa Lombarda to Oldenburg | 622.46 mi (1,001.76 km) |
| Massa Lombarda to Oldenburg in Holstein | 681.85 mi (1,097.33 km) |
| Massa Lombarda to Olfen | 541.93 mi (872.15 km) |
| Massa Lombarda to Olpe | 489.84 mi (788.32 km) |
| Massa Lombarda to Olsberg | 500.99 mi (806.26 km) |
| Massa Lombarda to Oranienburg | 577.40 mi (929.24 km) |
| Massa Lombarda to Ortenberg | 427.92 mi (688.67 km) |
