| Moguer to Orbetello | 1,019.28 mi (1,640.38 km) |
| Moguer to Oria | 1,330.42 mi (2,141.11 km) |
| Moguer to Oristano | 851.74 mi (1,370.74 km) |
| Moguer to Orta Nova | 1,233.97 mi (1,985.89 km) |
| Moguer to Orte | 1,077.75 mi (1,734.47 km) |
| Moguer to Ortona | 1,176.86 mi (1,893.98 km) |
| Moguer to Orvieto | 1,068.31 mi (1,719.28 km) |
| Moguer to Orzinuovi | 1,032.30 mi (1,661.32 km) |
| Moguer to Osimo | 1,148.69 mi (1,848.63 km) |
| Moguer to Ospitaletto | 1,043.23 mi (1,678.92 km) |
| Moguer to Ostuni | 1,328.38 mi (2,137.82 km) |
| Moguer to Ottaviano | 1,166.83 mi (1,877.83 km) |
| Moguer to Ovada | 952.43 mi (1,532.79 km) |
| Moguer to Ozieri | 880.29 mi (1,416.69 km) |
| Moguer to Paceco | 1,060.17 mi (1,706.18 km) |
