| Madera to Orbetello | 6,152.47 mi (9,901.44 km) |
| Madera to Oria | 6,451.92 mi (10,383.35 km) |
| Madera to Oristano | 6,207.41 mi (9,989.87 km) |
| Madera to Orta Nova | 6,348.91 mi (10,217.58 km) |
| Madera to Orte | 6,186.91 mi (9,956.87 km) |
| Madera to Ortona | 6,252.69 mi (10,062.74 km) |
| Madera to Orvieto | 6,164.24 mi (9,920.38 km) |
| Madera to Orzinuovi | 5,951.26 mi (9,577.62 km) |
| Madera to Osimo | 6,161.96 mi (9,916.71 km) |
| Madera to Ospitaletto | 5,946.93 mi (9,570.66 km) |
| Madera to Ostuni | 6,436.92 mi (10,359.23 km) |
| Madera to Ottaviano | 6,340.14 mi (10,203.47 km) |
| Madera to Ovada | 5,953.63 mi (9,581.43 km) |
| Madera to Ozieri | 6,184.18 mi (9,952.48 km) |
| Madera to Paceco | 6,441.99 mi (10,367.38 km) |
