| Hednesford to Oberkirch | 527.21 mi (848.47 km) |
| Hednesford to Obernburg am Main | 520.16 mi (837.12 km) |
| Hednesford to Obernkirchen | 468.31 mi (753.68 km) |
| Hednesford to Oberschleissheim | 669.99 mi (1,078.24 km) |
| Hednesford to Oberstdorf | 655.05 mi (1,054.20 km) |
| Hednesford to Obertraubling | 668.72 mi (1,076.20 km) |
| Hednesford to Obertshausen | 500.97 mi (806.24 km) |
| Hednesford to Oberursel | 486.68 mi (783.23 km) |
| Hednesford to Ochsenfurt | 562.97 mi (906.02 km) |
| Hednesford to Ochsenhausen | 615.11 mi (989.93 km) |
| Hednesford to Ochtrup | 388.25 mi (624.83 km) |
| Hednesford to Odenthal | 405.53 mi (652.64 km) |
| Hednesford to Oelde | 433.05 mi (696.93 km) |
| Hednesford to Oelsnitz | 627.67 mi (1,010.14 km) |
| Hednesford to Oer-Erkenschwick | 398.59 mi (641.46 km) |
