| Guilherand to Obernburg am Main | 393.19 mi (632.78 km) |
| Guilherand to Obernkirchen | 542.18 mi (872.56 km) |
| Guilherand to Oberschleissheim | 391.48 mi (630.02 km) |
| Guilherand to Oberstdorf | 309.92 mi (498.76 km) |
| Guilherand to Obertraubling | 442.24 mi (711.72 km) |
| Guilherand to Obertshausen | 399.72 mi (643.29 km) |
| Guilherand to Oberursel | 402.76 mi (648.18 km) |
| Guilherand to Ochsenfurt | 406.43 mi (654.08 km) |
| Guilherand to Ochsenhausen | 324.25 mi (521.82 km) |
| Guilherand to Ochtrup | 513.35 mi (826.16 km) |
| Guilherand to Odenthal | 433.91 mi (698.30 km) |
| Guilherand to Oelde | 499.67 mi (804.13 km) |
| Guilherand to Oelsnitz | 508.01 mi (817.57 km) |
| Guilherand to Oer-Erkenschwick | 476.09 mi (766.20 km) |
| Guilherand to Oerlinghausen | 515.84 mi (830.17 km) |
