| Cornaredo to Oerlinghausen | 447.12 mi (719.56 km) |
| Cornaredo to Oestrich-Winkel | 314.59 mi (506.29 km) |
| Cornaredo to Offenburg | 211.43 mi (340.26 km) |
| Cornaredo to Oftersheim | 268.25 mi (431.71 km) |
| Cornaredo to Ohrdruf | 376.35 mi (605.67 km) |
| Cornaredo to Ohringen | 256.58 mi (412.92 km) |
| Cornaredo to Olbernhau | 408.28 mi (657.07 km) |
| Cornaredo to Olching | 215.48 mi (346.79 km) |
| Cornaredo to Oldenburg | 529.42 mi (852.02 km) |
| Cornaredo to Oldenburg in Holstein | 613.51 mi (987.35 km) |
| Cornaredo to Olfen | 436.07 mi (701.78 km) |
| Cornaredo to Olpe | 385.13 mi (619.80 km) |
| Cornaredo to Olsberg | 404.98 mi (651.75 km) |
| Cornaredo to Oranienburg | 535.82 mi (862.32 km) |
| Cornaredo to Ortenberg | 335.50 mi (539.94 km) |
