| Campagna to Oberkirch | 643.25 mi (1,035.22 km) |
| Campagna to Obernburg am Main | 696.38 mi (1,120.72 km) |
| Campagna to Obernkirchen | 849.80 mi (1,367.61 km) |
| Campagna to Oberschleissheim | 552.01 mi (888.37 km) |
| Campagna to Oberstdorf | 523.57 mi (842.60 km) |
| Campagna to Obertraubling | 591.04 mi (951.18 km) |
| Campagna to Obertshausen | 716.56 mi (1,153.20 km) |
| Campagna to Oberursel | 730.20 mi (1,175.14 km) |
| Campagna to Ochsenfurt | 666.99 mi (1,073.41 km) |
| Campagna to Ochsenhausen | 571.13 mi (919.14 km) |
| Campagna to Ochtrup | 880.50 mi (1,417.03 km) |
| Campagna to Odenthal | 811.69 mi (1,306.28 km) |
| Campagna to Oelde | 839.03 mi (1,350.29 km) |
| Campagna to Oelsnitz | 688.31 mi (1,107.72 km) |
| Campagna to Oer-Erkenschwick | 845.13 mi (1,360.11 km) |
