| Certaldo to Oerlinghausen | 591.97 mi (952.68 km) |
| Certaldo to Oestrich-Winkel | 468.35 mi (753.74 km) |
| Certaldo to Offenburg | 371.07 mi (597.17 km) |
| Certaldo to Oftersheim | 418.90 mi (674.15 km) |
| Certaldo to Ohrdruf | 503.23 mi (809.87 km) |
| Certaldo to Ohringen | 397.36 mi (639.48 km) |
| Certaldo to Olbernhau | 503.47 mi (810.26 km) |
| Certaldo to Olching | 321.71 mi (517.74 km) |
| Certaldo to Oldenburg | 675.48 mi (1,087.07 km) |
| Certaldo to Oldenburg in Holstein | 742.94 mi (1,195.64 km) |
| Certaldo to Olfen | 589.36 mi (948.48 km) |
| Certaldo to Olpe | 537.37 mi (864.81 km) |
| Certaldo to Olsberg | 552.08 mi (888.48 km) |
| Certaldo to Oranienburg | 644.04 mi (1,036.47 km) |
| Certaldo to Ortenberg | 479.57 mi (771.80 km) |
