| Almargem to Orbetello | 1,099.27 mi (1,769.10 km) |
| Almargem to Oria | 1,429.80 mi (2,301.04 km) |
| Almargem to Oristano | 955.24 mi (1,537.30 km) |
| Almargem to Orta Nova | 1,327.01 mi (2,135.61 km) |
| Almargem to Orte | 1,158.95 mi (1,865.16 km) |
| Almargem to Ortona | 1,260.88 mi (2,029.20 km) |
| Almargem to Orvieto | 1,146.76 mi (1,845.54 km) |
| Almargem to Orzinuovi | 1,079.73 mi (1,737.66 km) |
| Almargem to Osimo | 1,221.84 mi (1,966.35 km) |
| Almargem to Ospitaletto | 1,089.52 mi (1,753.41 km) |
| Almargem to Ostuni | 1,426.09 mi (2,295.07 km) |
| Almargem to Ottaviano | 1,263.44 mi (2,033.31 km) |
| Almargem to Ovada | 1,003.90 mi (1,615.63 km) |
| Almargem to Ozieri | 976.86 mi (1,572.11 km) |
| Almargem to Paceco | 1,180.03 mi (1,899.08 km) |
