| Lagoa to Orbetello | 1,103.38 mi (1,775.72 km) |
| Lagoa to Oria | 1,417.97 mi (2,282.01 km) |
| Lagoa to Oristano | 939.39 mi (1,511.81 km) |
| Lagoa to Orta Nova | 1,320.59 mi (2,125.29 km) |
| Lagoa to Orte | 1,162.17 mi (1,870.34 km) |
| Lagoa to Ortona | 1,261.94 mi (2,030.90 km) |
| Lagoa to Orvieto | 1,152.18 mi (1,854.26 km) |
| Lagoa to Orzinuovi | 1,108.63 mi (1,784.17 km) |
| Lagoa to Osimo | 1,231.59 mi (1,982.05 km) |
| Lagoa to Ospitaletto | 1,119.27 mi (1,801.30 km) |
| Lagoa to Ostuni | 1,415.72 mi (2,278.38 km) |
| Lagoa to Ottaviano | 1,253.90 mi (2,017.96 km) |
| Lagoa to Ovada | 1,029.67 mi (1,657.09 km) |
| Lagoa to Ozieri | 967.04 mi (1,556.30 km) |
| Lagoa to Paceco | 1,149.29 mi (1,849.60 km) |
