| Alcochete to Orbetello | 1,086.11 mi (1,747.93 km) |
| Alcochete to Oria | 1,415.37 mi (2,277.83 km) |
| Alcochete to Oristano | 940.29 mi (1,513.24 km) |
| Alcochete to Orta Nova | 1,313.00 mi (2,113.08 km) |
| Alcochete to Orte | 1,145.75 mi (1,843.90 km) |
| Alcochete to Ortona | 1,247.52 mi (2,007.69 km) |
| Alcochete to Orvieto | 1,133.76 mi (1,824.61 km) |
| Alcochete to Orzinuovi | 1,069.20 mi (1,720.70 km) |
| Alcochete to Osimo | 1,209.30 mi (1,946.18 km) |
| Alcochete to Ospitaletto | 1,079.09 mi (1,736.63 km) |
| Alcochete to Ostuni | 1,411.79 mi (2,272.05 km) |
| Alcochete to Ottaviano | 1,249.14 mi (2,010.30 km) |
| Alcochete to Ovada | 992.95 mi (1,598.00 km) |
| Alcochete to Ozieri | 962.40 mi (1,548.83 km) |
| Alcochete to Paceco | 1,164.14 mi (1,873.51 km) |
