| Blaydon to Orbetello | 1,043.48 mi (1,679.32 km) |
| Blaydon to Oria | 1,335.39 mi (2,149.10 km) |
| Blaydon to Oristano | 1,143.72 mi (1,840.64 km) |
| Blaydon to Orta Nova | 1,231.11 mi (1,981.27 km) |
| Blaydon to Orte | 1,072.64 mi (1,726.25 km) |
| Blaydon to Ortona | 1,134.91 mi (1,826.45 km) |
| Blaydon to Orvieto | 1,050.11 mi (1,689.98 km) |
| Blaydon to Orzinuovi | 835.79 mi (1,345.07 km) |
| Blaydon to Osimo | 1,044.13 mi (1,680.37 km) |
| Blaydon to Ospitaletto | 830.67 mi (1,336.84 km) |
| Blaydon to Ostuni | 1,320.71 mi (2,125.48 km) |
| Blaydon to Ottaviano | 1,224.00 mi (1,969.84 km) |
| Blaydon to Ovada | 848.02 mi (1,364.75 km) |
| Blaydon to Ozieri | 1,108.30 mi (1,783.64 km) |
| Blaydon to Paceco | 1,349.61 mi (2,171.99 km) |
