| Blaydon to Oerlinghausen | 474.09 mi (762.97 km) |
| Blaydon to Oestrich-Winkel | 532.87 mi (857.57 km) |
| Blaydon to Offenburg | 609.01 mi (980.10 km) |
| Blaydon to Oftersheim | 582.03 mi (936.68 km) |
| Blaydon to Ohrdruf | 591.26 mi (951.55 km) |
| Blaydon to Ohringen | 619.59 mi (997.13 km) |
| Blaydon to Olbernhau | 693.28 mi (1,115.72 km) |
| Blaydon to Olching | 727.09 mi (1,170.14 km) |
| Blaydon to Oldenburg | 421.60 mi (678.51 km) |
| Blaydon to Oldenburg in Holstein | 505.39 mi (813.35 km) |
| Blaydon to Olfen | 436.89 mi (703.11 km) |
| Blaydon to Olpe | 481.21 mi (774.43 km) |
| Blaydon to Olsberg | 490.21 mi (788.91 km) |
| Blaydon to Oranienburg | 626.92 mi (1,008.94 km) |
| Blaydon to Ortenberg | 551.51 mi (887.57 km) |
