| Syston to Oberkirch | 493.63 mi (794.41 km) |
| Syston to Obernburg am Main | 483.47 mi (778.06 km) |
| Syston to Obernkirchen | 429.78 mi (691.66 km) |
| Syston to Oberschleissheim | 634.19 mi (1,020.63 km) |
| Syston to Oberstdorf | 621.37 mi (999.99 km) |
| Syston to Obertraubling | 631.81 mi (1,016.80 km) |
| Syston to Obertshausen | 464.09 mi (746.88 km) |
| Syston to Oberursel | 449.71 mi (723.74 km) |
| Syston to Ochsenfurt | 526.11 mi (846.70 km) |
| Syston to Ochsenhausen | 580.65 mi (934.47 km) |
| Syston to Ochtrup | 349.71 mi (562.80 km) |
| Syston to Odenthal | 367.94 mi (592.14 km) |
| Syston to Oelde | 394.57 mi (635.00 km) |
| Syston to Oelsnitz | 589.54 mi (948.77 km) |
| Syston to Oer-Erkenschwick | 360.29 mi (579.83 km) |
