| Pamukkale to Orbetello | 993.22 mi (1,598.44 km) |
| Pamukkale to Oria | 639.63 mi (1,029.38 km) |
| Pamukkale to Oristano | 1,109.52 mi (1,785.61 km) |
| Pamukkale to Orta Nova | 750.47 mi (1,207.76 km) |
| Pamukkale to Orte | 935.30 mi (1,505.21 km) |
| Pamukkale to Ortona | 834.18 mi (1,342.49 km) |
| Pamukkale to Orvieto | 953.30 mi (1,534.19 km) |
| Pamukkale to Orzinuovi | 1,113.19 mi (1,791.51 km) |
| Pamukkale to Osimo | 902.81 mi (1,452.93 km) |
| Pamukkale to Ospitaletto | 1,110.76 mi (1,787.60 km) |
| Pamukkale to Ostuni | 645.85 mi (1,039.39 km) |
| Pamukkale to Ottaviano | 806.55 mi (1,298.01 km) |
| Pamukkale to Ovada | 1,155.85 mi (1,860.16 km) |
| Pamukkale to Ozieri | 1,089.35 mi (1,753.15 km) |
| Pamukkale to Paceco | 901.43 mi (1,450.71 km) |
