| Hajdudorog to Oerlinghausen | 637.96 mi (1,026.69 km) |
| Hajdudorog to Oestrich-Winkel | 630.40 mi (1,014.52 km) |
| Hajdudorog to Offenburg | 626.28 mi (1,007.90 km) |
| Hajdudorog to Oftersheim | 599.11 mi (964.17 km) |
| Hajdudorog to Ohrdruf | 527.02 mi (848.16 km) |
| Hajdudorog to Ohringen | 556.93 mi (896.30 km) |
| Hajdudorog to Olbernhau | 417.39 mi (671.73 km) |
| Hajdudorog to Olching | 471.12 mi (758.20 km) |
| Hajdudorog to Oldenburg | 688.82 mi (1,108.55 km) |
| Hajdudorog to Oldenburg in Holstein | 641.56 mi (1,032.48 km) |
| Hajdudorog to Olfen | 683.77 mi (1,100.41 km) |
| Hajdudorog to Olpe | 651.71 mi (1,048.82 km) |
| Hajdudorog to Olsberg | 631.03 mi (1,015.54 km) |
| Hajdudorog to Oranienburg | 498.89 mi (802.89 km) |
| Hajdudorog to Ortenberg | 589.00 mi (947.91 km) |
