| Illkirch-Graffenstaden to Obernburg am Main | 110.96 mi (178.57 km) |
| Illkirch-Graffenstaden to Obernkirchen | 265.39 mi (427.10 km) |
| Illkirch-Graffenstaden to Oberschleissheim | 177.53 mi (285.71 km) |
| Illkirch-Graffenstaden to Oberstdorf | 141.43 mi (227.62 km) |
| Illkirch-Graffenstaden to Obertraubling | 204.79 mi (329.57 km) |
| Illkirch-Graffenstaden to Obertshausen | 117.43 mi (188.98 km) |
| Illkirch-Graffenstaden to Oberursel | 121.87 mi (196.13 km) |
| Illkirch-Graffenstaden to Ochsenfurt | 131.38 mi (211.43 km) |
| Illkirch-Graffenstaden to Ochsenhausen | 107.18 mi (172.48 km) |
| Illkirch-Graffenstaden to Ochtrup | 255.03 mi (410.43 km) |
| Illkirch-Graffenstaden to Odenthal | 175.04 mi (281.70 km) |
| Illkirch-Graffenstaden to Oelde | 229.03 mi (368.58 km) |
| Illkirch-Graffenstaden to Oelsnitz | 238.37 mi (383.62 km) |
| Illkirch-Graffenstaden to Oer-Erkenschwick | 216.03 mi (347.67 km) |
| Illkirch-Graffenstaden to Oerlinghausen | 241.10 mi (388.02 km) |
