| Sesto Calende to Orbetello | 261.08 mi (420.17 km) |
| Sesto Calende to Oria | 579.72 mi (932.96 km) |
| Sesto Calende to Oristano | 402.65 mi (648.00 km) |
| Sesto Calende to Orta Nova | 466.83 mi (751.29 km) |
| Sesto Calende to Orte | 292.87 mi (471.33 km) |
| Sesto Calende to Ortona | 369.53 mi (594.70 km) |
| Sesto Calende to Orvieto | 270.19 mi (434.83 km) |
| Sesto Calende to Orzinuovi | 66.97 mi (107.77 km) |
| Sesto Calende to Osimo | 284.67 mi (458.13 km) |
| Sesto Calende to Ospitaletto | 70.64 mi (113.68 km) |
| Sesto Calende to Ostuni | 567.16 mi (912.75 km) |
| Sesto Calende to Ottaviano | 447.21 mi (719.72 km) |
| Sesto Calende to Ovada | 75.60 mi (121.66 km) |
| Sesto Calende to Ozieri | 356.21 mi (573.26 km) |
| Sesto Calende to Paceco | 571.96 mi (920.48 km) |
