| Charlton Kings to Oberkirch | 503.51 mi (810.33 km) |
| Charlton Kings to Obernburg am Main | 507.19 mi (816.25 km) |
| Charlton Kings to Obernkirchen | 474.12 mi (763.02 km) |
| Charlton Kings to Oberschleissheim | 652.48 mi (1,050.06 km) |
| Charlton Kings to Oberstdorf | 630.90 mi (1,015.34 km) |
| Charlton Kings to Obertraubling | 655.92 mi (1,055.60 km) |
| Charlton Kings to Obertshausen | 489.00 mi (786.97 km) |
| Charlton Kings to Oberursel | 475.22 mi (764.80 km) |
| Charlton Kings to Ochsenfurt | 550.48 mi (885.91 km) |
| Charlton Kings to Ochsenhausen | 593.39 mi (954.96 km) |
| Charlton Kings to Ochtrup | 392.63 mi (631.88 km) |
| Charlton Kings to Odenthal | 398.36 mi (641.10 km) |
| Charlton Kings to Oelde | 434.53 mi (699.31 km) |
| Charlton Kings to Oelsnitz | 623.05 mi (1,002.71 km) |
| Charlton Kings to Oer-Erkenschwick | 397.43 mi (639.60 km) |
