| Oldham to Oberkirch | 561.47 mi (903.60 km) |
| Oldham to Obernburg am Main | 545.06 mi (877.19 km) |
| Oldham to Obernkirchen | 475.90 mi (765.89 km) |
| Oldham to Oberschleissheim | 697.84 mi (1,123.06 km) |
| Oldham to Oberstdorf | 688.86 mi (1,108.61 km) |
| Oldham to Obertraubling | 692.27 mi (1,114.10 km) |
| Oldham to Obertshausen | 525.16 mi (845.16 km) |
| Oldham to Oberursel | 510.55 mi (821.66 km) |
| Oldham to Ochsenfurt | 587.03 mi (944.73 km) |
| Oldham to Ochsenhausen | 647.04 mi (1,041.31 km) |
| Oldham to Ochtrup | 398.68 mi (641.61 km) |
| Oldham to Odenthal | 426.66 mi (686.64 km) |
| Oldham to Oelde | 445.49 mi (716.95 km) |
| Oldham to Oelsnitz | 643.79 mi (1,036.08 km) |
| Oldham to Oer-Erkenschwick | 414.20 mi (666.59 km) |
