| Parla to Orbetello | 791.10 mi (1,273.16 km) |
| Parla to Oria | 1,124.30 mi (1,809.39 km) |
| Parla to Oristano | 653.69 mi (1,052.01 km) |
| Parla to Orta Nova | 1,020.05 mi (1,641.61 km) |
| Parla to Orte | 850.80 mi (1,369.23 km) |
| Parla to Ortona | 952.81 mi (1,533.39 km) |
| Parla to Orvieto | 838.60 mi (1,349.60 km) |
| Parla to Orzinuovi | 779.50 mi (1,254.49 km) |
| Parla to Osimo | 914.09 mi (1,471.08 km) |
| Parla to Ospitaletto | 789.89 mi (1,271.20 km) |
| Parla to Ostuni | 1,120.10 mi (1,802.63 km) |
| Parla to Ottaviano | 957.50 mi (1,540.95 km) |
| Parla to Ovada | 701.58 mi (1,129.09 km) |
| Parla to Ozieri | 672.05 mi (1,081.55 km) |
| Parla to Paceco | 887.59 mi (1,428.43 km) |
