| Cerreto Guidi to Oerlinghausen | 575.73 mi (926.55 km) |
| Cerreto Guidi to Oestrich-Winkel | 451.60 mi (726.78 km) |
| Cerreto Guidi to Offenburg | 354.07 mi (569.83 km) |
| Cerreto Guidi to Oftersheim | 402.24 mi (647.34 km) |
| Cerreto Guidi to Ohrdruf | 487.95 mi (785.27 km) |
| Cerreto Guidi to Ohringen | 381.11 mi (613.34 km) |
| Cerreto Guidi to Olbernhau | 490.34 mi (789.12 km) |
| Cerreto Guidi to Olching | 307.02 mi (494.09 km) |
| Cerreto Guidi to Oldenburg | 659.22 mi (1,060.92 km) |
| Cerreto Guidi to Oldenburg in Holstein | 727.78 mi (1,171.25 km) |
| Cerreto Guidi to Olfen | 572.68 mi (921.64 km) |
| Cerreto Guidi to Olpe | 520.72 mi (838.03 km) |
| Cerreto Guidi to Olsberg | 535.69 mi (862.11 km) |
| Cerreto Guidi to Oranienburg | 630.26 mi (1,014.31 km) |
| Cerreto Guidi to Ortenberg | 463.28 mi (745.58 km) |
