| Enterprise to Orbetello | 6,051.55 mi (9,739.03 km) |
| Enterprise to Oria | 6,363.29 mi (10,240.73 km) |
| Enterprise to Oristano | 6,092.52 mi (9,804.96 km) |
| Enterprise to Orta Nova | 6,257.04 mi (10,069.73 km) |
| Enterprise to Orte | 6,089.12 mi (9,799.48 km) |
| Enterprise to Ortona | 6,159.97 mi (9,913.52 km) |
| Enterprise to Orvieto | 6,066.44 mi (9,762.99 km) |
| Enterprise to Orzinuovi | 5,855.59 mi (9,423.66 km) |
| Enterprise to Osimo | 6,069.90 mi (9,768.55 km) |
| Enterprise to Ospitaletto | 5,852.06 mi (9,417.99 km) |
| Enterprise to Ostuni | 6,348.76 mi (10,217.35 km) |
| Enterprise to Ottaviano | 6,243.56 mi (10,048.04 km) |
| Enterprise to Ovada | 5,852.58 mi (9,418.81 km) |
| Enterprise to Ozieri | 6,072.28 mi (9,772.40 km) |
| Enterprise to Paceco | 6,332.29 mi (10,190.83 km) |
