| Plasencia to Orbetello | 912.72 mi (1,468.87 km) |
| Plasencia to Oria | 1,247.47 mi (2,007.61 km) |
| Plasencia to Oristano | 776.66 mi (1,249.92 km) |
| Plasencia to Orta Nova | 1,142.92 mi (1,839.36 km) |
| Plasencia to Orte | 972.49 mi (1,565.07 km) |
| Plasencia to Ortona | 1,074.76 mi (1,729.66 km) |
| Plasencia to Orvieto | 959.86 mi (1,544.74 km) |
| Plasencia to Orzinuovi | 892.10 mi (1,435.69 km) |
| Plasencia to Osimo | 1,034.15 mi (1,664.30 km) |
| Plasencia to Ospitaletto | 902.02 mi (1,451.66 km) |
| Plasencia to Ostuni | 1,243.21 mi (2,000.75 km) |
| Plasencia to Ottaviano | 1,080.63 mi (1,739.10 km) |
| Plasencia to Ovada | 815.86 mi (1,313.01 km) |
| Plasencia to Ozieri | 795.27 mi (1,279.87 km) |
| Plasencia to Paceco | 1,008.87 mi (1,623.62 km) |
