| Pontneddfechan to Orbetello | 944.83 mi (1,520.55 km) |
| Pontneddfechan to Oria | 1,271.66 mi (2,046.54 km) |
| Pontneddfechan to Oristano | 1,004.15 mi (1,616.03 km) |
| Pontneddfechan to Orta Nova | 1,160.03 mi (1,866.89 km) |
| Pontneddfechan to Orte | 984.50 mi (1,584.40 km) |
| Pontneddfechan to Ortona | 1,062.54 mi (1,709.99 km) |
| Pontneddfechan to Orvieto | 961.93 mi (1,548.08 km) |
| Pontneddfechan to Orzinuovi | 756.27 mi (1,217.10 km) |
| Pontneddfechan to Osimo | 975.27 mi (1,569.54 km) |
| Pontneddfechan to Ospitaletto | 754.59 mi (1,214.39 km) |
| Pontneddfechan to Ostuni | 1,258.48 mi (2,025.33 km) |
| Pontneddfechan to Ottaviano | 1,139.50 mi (1,833.85 km) |
| Pontneddfechan to Ovada | 746.07 mi (1,200.68 km) |
| Pontneddfechan to Ozieri | 976.21 mi (1,571.06 km) |
| Pontneddfechan to Paceco | 1,231.21 mi (1,981.45 km) |
