| Waterloo to Obernburg am Main | 218.61 mi (351.81 km) |
| Waterloo to Obernkirchen | 230.04 mi (370.22 km) |
| Waterloo to Oberschleissheim | 364.50 mi (586.60 km) |
| Waterloo to Oberstdorf | 351.17 mi (565.15 km) |
| Waterloo to Obertraubling | 367.11 mi (590.80 km) |
| Waterloo to Obertshausen | 201.06 mi (323.58 km) |
| Waterloo to Oberursel | 187.81 mi (302.25 km) |
| Waterloo to Ochsenfurt | 261.95 mi (421.57 km) |
| Waterloo to Ochsenhausen | 309.71 mi (498.44 km) |
| Waterloo to Ochtrup | 158.68 mi (255.36 km) |
| Waterloo to Odenthal | 121.16 mi (194.98 km) |
| Waterloo to Oelde | 180.14 mi (289.90 km) |
| Waterloo to Oelsnitz | 342.06 mi (550.49 km) |
| Waterloo to Oer-Erkenschwick | 139.68 mi (224.80 km) |
| Waterloo to Oerlinghausen | 204.01 mi (328.32 km) |
