| Landover to Orbetello | 4,401.50 mi (7,083.53 km) |
| Landover to Oria | 4,754.52 mi (7,651.66 km) |
| Landover to Oristano | 4,370.12 mi (7,033.03 km) |
| Landover to Orta Nova | 4,639.11 mi (7,465.93 km) |
| Landover to Orte | 4,452.52 mi (7,165.64 km) |
| Landover to Ortona | 4,544.56 mi (7,313.76 km) |
| Landover to Orvieto | 4,431.41 mi (7,131.67 km) |
| Landover to Orzinuovi | 4,247.01 mi (6,834.90 km) |
| Landover to Osimo | 4,464.46 mi (7,184.85 km) |
| Landover to Ospitaletto | 4,247.99 mi (6,836.48 km) |
| Landover to Ostuni | 4,743.40 mi (7,633.76 km) |
| Landover to Ottaviano | 4,602.54 mi (7,407.07 km) |
| Landover to Ovada | 4,215.79 mi (6,784.65 km) |
| Landover to Ozieri | 4,365.77 mi (7,026.02 km) |
| Landover to Paceco | 4,620.82 mi (7,436.50 km) |
