| Cinisello Balsamo to Oerlinghausen | 444.05 mi (714.64 km) |
| Cinisello Balsamo to Oestrich-Winkel | 312.60 mi (503.08 km) |
| Cinisello Balsamo to Offenburg | 210.39 mi (338.59 km) |
| Cinisello Balsamo to Oftersheim | 265.62 mi (427.48 km) |
| Cinisello Balsamo to Ohrdruf | 371.29 mi (597.53 km) |
| Cinisello Balsamo to Ohringen | 252.54 mi (406.42 km) |
| Cinisello Balsamo to Olbernhau | 401.16 mi (645.61 km) |
| Cinisello Balsamo to Olching | 208.22 mi (335.09 km) |
| Cinisello Balsamo to Oldenburg | 526.61 mi (847.50 km) |
| Cinisello Balsamo to Oldenburg in Holstein | 609.05 mi (980.17 km) |
| Cinisello Balsamo to Olfen | 434.19 mi (698.75 km) |
| Cinisello Balsamo to Olpe | 383.01 mi (616.40 km) |
| Cinisello Balsamo to Olsberg | 402.14 mi (647.19 km) |
| Cinisello Balsamo to Oranienburg | 529.68 mi (852.44 km) |
| Cinisello Balsamo to Ortenberg | 332.13 mi (534.52 km) |
