| Valdemoro to Orbetello | 786.92 mi (1,266.43 km) |
| Valdemoro to Oria | 1,119.52 mi (1,801.69 km) |
| Valdemoro to Oristano | 648.53 mi (1,043.71 km) |
| Valdemoro to Orta Nova | 1,015.46 mi (1,634.22 km) |
| Valdemoro to Orte | 846.59 mi (1,362.46 km) |
| Valdemoro to Ortona | 948.53 mi (1,526.51 km) |
| Valdemoro to Orvieto | 834.50 mi (1,343.01 km) |
| Valdemoro to Orzinuovi | 776.72 mi (1,250.01 km) |
| Valdemoro to Osimo | 910.22 mi (1,464.86 km) |
| Valdemoro to Ospitaletto | 787.16 mi (1,266.80 km) |
| Valdemoro to Ostuni | 1,115.38 mi (1,795.02 km) |
| Valdemoro to Ottaviano | 952.76 mi (1,533.32 km) |
| Valdemoro to Ovada | 698.61 mi (1,124.31 km) |
| Valdemoro to Ozieri | 667.15 mi (1,073.68 km) |
| Valdemoro to Paceco | 882.06 mi (1,419.54 km) |
