| Haddington to Oerlinghausen | 539.88 mi (868.85 km) |
| Haddington to Oestrich-Winkel | 607.45 mi (977.60 km) |
| Haddington to Offenburg | 686.58 mi (1,104.95 km) |
| Haddington to Oftersheim | 657.16 mi (1,057.60 km) |
| Haddington to Ohrdruf | 658.26 mi (1,059.37 km) |
| Haddington to Ohringen | 693.72 mi (1,116.44 km) |
| Haddington to Olbernhau | 756.43 mi (1,217.35 km) |
| Haddington to Olching | 800.73 mi (1,288.65 km) |
| Haddington to Oldenburg | 480.85 mi (773.86 km) |
| Haddington to Oldenburg in Holstein | 550.81 mi (886.44 km) |
| Haddington to Olfen | 506.68 mi (815.42 km) |
| Haddington to Olpe | 552.97 mi (889.91 km) |
| Haddington to Olsberg | 559.34 mi (900.16 km) |
| Haddington to Oranienburg | 679.98 mi (1,094.32 km) |
| Haddington to Ortenberg | 623.25 mi (1,003.02 km) |
