| Perry to Orbetello | 4,976.15 mi (8,008.33 km) |
| Perry to Oria | 5,330.95 mi (8,579.33 km) |
| Perry to Oristano | 4,936.30 mi (7,944.21 km) |
| Perry to Orta Nova | 5,215.39 mi (8,393.36 km) |
| Perry to Orte | 5,028.17 mi (8,092.06 km) |
| Perry to Ortona | 5,121.61 mi (8,242.44 km) |
| Perry to Orvieto | 5,007.35 mi (8,058.54 km) |
| Perry to Orzinuovi | 4,826.30 mi (7,767.19 km) |
| Perry to Osimo | 5,042.82 mi (8,115.63 km) |
| Perry to Ospitaletto | 4,827.64 mi (7,769.33 km) |
| Perry to Ostuni | 5,320.20 mi (8,562.03 km) |
| Perry to Ottaviano | 5,176.81 mi (8,331.28 km) |
| Perry to Ovada | 4,792.86 mi (7,713.36 km) |
| Perry to Ozieri | 4,934.13 mi (7,940.72 km) |
| Perry to Paceco | 5,186.59 mi (8,347.01 km) |
