| Redcar to Orbetello | 1,008.67 mi (1,623.29 km) |
| Redcar to Oria | 1,300.21 mi (2,092.49 km) |
| Redcar to Oristano | 1,110.46 mi (1,787.12 km) |
| Redcar to Orta Nova | 1,195.91 mi (1,924.63 km) |
| Redcar to Orte | 1,037.61 mi (1,669.87 km) |
| Redcar to Ortona | 1,099.72 mi (1,769.82 km) |
| Redcar to Orvieto | 1,015.08 mi (1,633.62 km) |
| Redcar to Orzinuovi | 800.74 mi (1,288.66 km) |
| Redcar to Osimo | 1,008.94 mi (1,623.74 km) |
| Redcar to Ospitaletto | 795.58 mi (1,280.36 km) |
| Redcar to Ostuni | 1,285.54 mi (2,068.88 km) |
| Redcar to Ottaviano | 1,188.88 mi (1,913.32 km) |
| Redcar to Ovada | 813.45 mi (1,309.12 km) |
| Redcar to Ozieri | 1,074.67 mi (1,729.52 km) |
| Redcar to Paceco | 1,315.22 mi (2,116.64 km) |
