| Huyton to Orbetello | 995.37 mi (1,601.89 km) |
| Huyton to Oria | 1,305.84 mi (2,101.54 km) |
| Huyton to Oristano | 1,076.17 mi (1,731.93 km) |
| Huyton to Orta Nova | 1,197.49 mi (1,927.18 km) |
| Huyton to Orte | 1,029.84 mi (1,657.36 km) |
| Huyton to Ortona | 1,100.18 mi (1,770.57 km) |
| Huyton to Orvieto | 1,007.15 mi (1,620.86 km) |
| Huyton to Orzinuovi | 795.40 mi (1,280.07 km) |
| Huyton to Osimo | 1,010.60 mi (1,626.41 km) |
| Huyton to Ospitaletto | 791.90 mi (1,274.45 km) |
| Huyton to Ostuni | 1,291.84 mi (2,079.02 km) |
| Huyton to Ottaviano | 1,183.75 mi (1,905.06 km) |
| Huyton to Ovada | 796.88 mi (1,282.45 km) |
| Huyton to Ozieri | 1,044.24 mi (1,680.55 km) |
| Huyton to Paceco | 1,293.17 mi (2,081.16 km) |
