| Cerreto Guidi to Oberkirch | 355.50 mi (572.13 km) |
| Cerreto Guidi to Obernburg am Main | 427.60 mi (688.16 km) |
| Cerreto Guidi to Obernkirchen | 592.87 mi (954.12 km) |
| Cerreto Guidi to Oberschleissheim | 311.49 mi (501.30 km) |
| Cerreto Guidi to Oberstdorf | 253.39 mi (407.80 km) |
| Cerreto Guidi to Obertraubling | 364.38 mi (586.42 km) |
| Cerreto Guidi to Obertshausen | 445.86 mi (717.55 km) |
| Cerreto Guidi to Oberursel | 457.76 mi (736.69 km) |
| Cerreto Guidi to Ochsenfurt | 408.33 mi (657.14 km) |
| Cerreto Guidi to Ochsenhausen | 300.85 mi (484.17 km) |
| Cerreto Guidi to Ochtrup | 607.36 mi (977.45 km) |
| Cerreto Guidi to Odenthal | 531.90 mi (856.00 km) |
| Cerreto Guidi to Oelde | 571.49 mi (919.73 km) |
| Cerreto Guidi to Oelsnitz | 463.40 mi (745.77 km) |
| Cerreto Guidi to Oer-Erkenschwick | 569.57 mi (916.63 km) |
