| Penacova to Orbetello | 1,019.85 mi (1,641.28 km) |
| Penacova to Oria | 1,359.11 mi (2,187.28 km) |
| Penacova to Oristano | 891.02 mi (1,433.95 km) |
| Penacova to Orta Nova | 1,253.12 mi (2,016.70 km) |
| Penacova to Orte | 1,079.70 mi (1,737.60 km) |
| Penacova to Ortona | 1,182.41 mi (1,902.91 km) |
| Penacova to Orvieto | 1,066.18 mi (1,715.86 km) |
| Penacova to Orzinuovi | 985.97 mi (1,586.76 km) |
| Penacova to Osimo | 1,138.13 mi (1,831.64 km) |
| Penacova to Ospitaletto | 995.26 mi (1,601.72 km) |
| Penacova to Ostuni | 1,354.41 mi (2,179.71 km) |
| Penacova to Ottaviano | 1,192.06 mi (1,918.44 km) |
| Penacova to Ovada | 912.25 mi (1,468.12 km) |
| Penacova to Ozieri | 908.00 mi (1,461.28 km) |
| Penacova to Paceco | 1,125.11 mi (1,810.69 km) |
