| Tournai to Obernburg am Main | 259.70 mi (417.95 km) |
| Tournai to Obernkirchen | 272.06 mi (437.84 km) |
| Tournai to Oberschleissheim | 401.67 mi (646.43 km) |
| Tournai to Oberstdorf | 382.24 mi (615.16 km) |
| Tournai to Obertraubling | 407.40 mi (655.65 km) |
| Tournai to Obertshausen | 242.95 mi (390.99 km) |
| Tournai to Oberursel | 230.14 mi (370.37 km) |
| Tournai to Ochsenfurt | 302.99 mi (487.61 km) |
| Tournai to Ochsenhausen | 343.12 mi (552.20 km) |
| Tournai to Ochtrup | 197.64 mi (318.07 km) |
| Tournai to Odenthal | 165.40 mi (266.18 km) |
| Tournai to Oelde | 222.80 mi (358.56 km) |
| Tournai to Oelsnitz | 385.71 mi (620.74 km) |
| Tournai to Oer-Erkenschwick | 182.15 mi (293.14 km) |
| Tournai to Oerlinghausen | 246.66 mi (396.96 km) |
