| Cannock to Oberkirch | 527.49 mi (848.91 km) |
| Cannock to Obernburg am Main | 520.78 mi (838.12 km) |
| Cannock to Obernkirchen | 469.44 mi (755.49 km) |
| Cannock to Oberschleissheim | 670.49 mi (1,079.04 km) |
| Cannock to Oberstdorf | 655.33 mi (1,054.65 km) |
| Cannock to Obertraubling | 669.36 mi (1,077.24 km) |
| Cannock to Obertshausen | 501.62 mi (807.27 km) |
| Cannock to Oberursel | 487.33 mi (784.29 km) |
| Cannock to Ochsenfurt | 563.61 mi (907.05 km) |
| Cannock to Ochsenhausen | 615.47 mi (990.50 km) |
| Cannock to Ochtrup | 389.32 mi (626.56 km) |
| Cannock to Odenthal | 406.29 mi (653.87 km) |
| Cannock to Oelde | 434.06 mi (698.55 km) |
| Cannock to Oelsnitz | 628.54 mi (1,011.54 km) |
| Cannock to Oer-Erkenschwick | 399.52 mi (642.96 km) |
