| Sesto Fiorentino to Oegstgeest | 654.87 mi (1,053.91 km) |
| Sesto Fiorentino to Oirschot | 596.16 mi (959.43 km) |
| Sesto Fiorentino to Oisterwijk | 603.29 mi (970.91 km) |
| Sesto Fiorentino to Oldebroek | 643.12 mi (1,035.00 km) |
| Sesto Fiorentino to Oldenzaal | 618.08 mi (994.70 km) |
| Sesto Fiorentino to Ommen | 638.81 mi (1,028.06 km) |
| Sesto Fiorentino to Oosterend | 675.49 mi (1,087.09 km) |
| Sesto Fiorentino to Oosterhout | 614.31 mi (988.63 km) |
| Sesto Fiorentino to Oosterwolde | 671.14 mi (1,080.10 km) |
| Sesto Fiorentino to Oostzaan | 661.15 mi (1,064.02 km) |
| Sesto Fiorentino to Opmeer | 676.10 mi (1,088.08 km) |
| Sesto Fiorentino to Oss | 607.86 mi (978.25 km) |
| Sesto Fiorentino to Oud-Beijerland | 634.79 mi (1,021.59 km) |
| Sesto Fiorentino to Oudenbosch | 618.68 mi (995.66 km) |
| Sesto Fiorentino to Oudewater | 636.36 mi (1,024.11 km) |
