| Roura to Oria | 4,957.30 mi (7,978.01 km) |
| Roura to Oristano | 4,483.08 mi (7,214.81 km) |
| Roura to Orta Nova | 4,869.03 mi (7,835.95 km) |
| Roura to Orte | 4,719.32 mi (7,595.02 km) |
| Roura to Ortona | 4,817.53 mi (7,753.07 km) |
| Roura to Orvieto | 4,710.12 mi (7,580.20 km) |
| Roura to Orzinuovi | 4,656.49 mi (7,493.89 km) |
| Roura to Osimo | 4,790.14 mi (7,708.99 km) |
| Roura to Ospitaletto | 4,666.13 mi (7,509.41 km) |
| Roura to Ostuni | 4,957.43 mi (7,978.21 km) |
| Roura to Ottaviano | 4,799.41 mi (7,723.90 km) |
| Roura to Ovada | 4,580.73 mi (7,371.97 km) |
| Roura to Ozieri | 4,516.79 mi (7,269.06 km) |
| Roura to Paceco | 4,657.26 mi (7,495.14 km) |
| Roura to Pachino | 4,777.83 mi (7,689.17 km) |
