| Lansdowne to Orbetello | 4,421.51 mi (7,115.73 km) |
| Lansdowne to Oria | 4,774.05 mi (7,683.09 km) |
| Lansdowne to Oristano | 4,391.78 mi (7,067.89 km) |
| Lansdowne to Orta Nova | 4,658.70 mi (7,497.45 km) |
| Lansdowne to Orte | 4,472.29 mi (7,197.45 km) |
| Lansdowne to Ortona | 4,563.96 mi (7,344.99 km) |
| Lansdowne to Orvieto | 4,451.11 mi (7,163.38 km) |
| Lansdowne to Orzinuovi | 4,265.85 mi (6,865.22 km) |
| Lansdowne to Osimo | 4,483.53 mi (7,215.54 km) |
| Lansdowne to Ospitaletto | 4,266.73 mi (6,866.64 km) |
| Lansdowne to Ostuni | 4,762.84 mi (7,665.05 km) |
| Lansdowne to Ottaviano | 4,622.59 mi (7,439.34 km) |
| Lansdowne to Ovada | 4,235.24 mi (6,815.95 km) |
| Lansdowne to Ozieri | 4,387.05 mi (7,060.27 km) |
| Lansdowne to Paceco | 4,642.51 mi (7,471.40 km) |
