| Meltham to Orbetello | 975.69 mi (1,570.22 km) |
| Meltham to Oria | 1,280.21 mi (2,060.31 km) |
| Meltham to Oristano | 1,064.47 mi (1,713.10 km) |
| Meltham to Orta Nova | 1,173.05 mi (1,887.85 km) |
| Meltham to Orte | 1,008.29 mi (1,622.69 km) |
| Meltham to Ortona | 1,076.00 mi (1,731.65 km) |
| Meltham to Orvieto | 985.63 mi (1,586.22 km) |
| Meltham to Orzinuovi | 772.65 mi (1,243.45 km) |
| Meltham to Osimo | 985.93 mi (1,586.70 km) |
| Meltham to Ospitaletto | 768.59 mi (1,236.93 km) |
| Meltham to Ostuni | 1,266.00 mi (2,037.43 km) |
| Meltham to Ottaviano | 1,161.49 mi (1,869.24 km) |
| Meltham to Ovada | 778.02 mi (1,252.10 km) |
| Meltham to Ozieri | 1,030.98 mi (1,659.20 km) |
| Meltham to Paceco | 1,276.97 mi (2,055.08 km) |
