| Madeley to Orbetello | 946.83 mi (1,523.78 km) |
| Madeley to Oria | 1,262.28 mi (2,031.45 km) |
| Madeley to Oristano | 1,022.94 mi (1,646.26 km) |
| Madeley to Orta Nova | 1,152.84 mi (1,855.31 km) |
| Madeley to Orte | 982.73 mi (1,581.55 km) |
| Madeley to Ortona | 1,055.37 mi (1,698.45 km) |
| Madeley to Orvieto | 960.05 mi (1,545.05 km) |
| Madeley to Orzinuovi | 749.67 mi (1,206.47 km) |
| Madeley to Osimo | 966.37 mi (1,555.22 km) |
| Madeley to Ospitaletto | 746.69 mi (1,201.68 km) |
| Madeley to Ostuni | 1,248.53 mi (2,009.32 km) |
| Madeley to Ottaviano | 1,137.11 mi (1,830.00 km) |
| Madeley to Ovada | 747.97 mi (1,203.75 km) |
| Madeley to Ozieri | 991.74 mi (1,596.06 km) |
| Madeley to Paceco | 1,242.12 mi (1,999.00 km) |
