| Hednesford to Oerlinghausen | 452.83 mi (728.76 km) |
| Hednesford to Oestrich-Winkel | 469.90 mi (756.23 km) |
| Hednesford to Offenburg | 524.54 mi (844.17 km) |
| Hednesford to Oftersheim | 513.87 mi (826.99 km) |
| Hednesford to Ohrdruf | 558.96 mi (899.56 km) |
| Hednesford to Ohringen | 555.40 mi (893.82 km) |
| Hednesford to Olbernhau | 670.44 mi (1,078.97 km) |
| Hednesford to Olching | 662.18 mi (1,065.68 km) |
| Hednesford to Oldenburg | 426.13 mi (685.79 km) |
| Hednesford to Oldenburg in Holstein | 539.88 mi (868.85 km) |
| Hednesford to Olfen | 402.86 mi (648.34 km) |
| Hednesford to Olpe | 435.22 mi (700.43 km) |
| Hednesford to Olsberg | 455.04 mi (732.32 km) |
| Hednesford to Oranienburg | 636.32 mi (1,024.06 km) |
| Hednesford to Ortenberg | 501.67 mi (807.36 km) |
