| Alacam to Orbetello | 1,248.47 mi (2,009.22 km) |
| Alacam to Oria | 937.27 mi (1,508.39 km) |
| Alacam to Oristano | 1,412.37 mi (2,272.99 km) |
| Alacam to Orta Nova | 1,027.30 mi (1,653.28 km) |
| Alacam to Orte | 1,188.77 mi (1,913.14 km) |
| Alacam to Ortona | 1,087.01 mi (1,749.37 km) |
| Alacam to Orvieto | 1,201.29 mi (1,933.29 km) |
| Alacam to Orzinuovi | 1,306.52 mi (2,102.64 km) |
| Alacam to Osimo | 1,129.60 mi (1,817.91 km) |
| Alacam to Ospitaletto | 1,300.25 mi (2,092.54 km) |
| Alacam to Ostuni | 937.03 mi (1,508.00 km) |
| Alacam to Ottaviano | 1,095.84 mi (1,763.59 km) |
| Alacam to Ovada | 1,368.60 mi (2,202.55 km) |
| Alacam to Ozieri | 1,380.91 mi (2,222.36 km) |
| Alacam to Paceco | 1,244.81 mi (2,003.32 km) |
