| Silves to Oberkirch | 1,142.08 mi (1,838.00 km) |
| Silves to Obernburg am Main | 1,235.19 mi (1,987.84 km) |
| Silves to Obernkirchen | 1,344.79 mi (2,164.22 km) |
| Silves to Oberschleissheim | 1,264.65 mi (2,035.25 km) |
| Silves to Oberstdorf | 1,183.97 mi (1,905.42 km) |
| Silves to Obertraubling | 1,313.22 mi (2,113.42 km) |
| Silves to Obertshausen | 1,234.39 mi (1,986.55 km) |
| Silves to Oberursel | 1,231.75 mi (1,982.31 km) |
| Silves to Ochsenfurt | 1,260.13 mi (2,027.98 km) |
| Silves to Ochsenhausen | 1,194.39 mi (1,922.18 km) |
| Silves to Ochtrup | 1,284.87 mi (2,067.80 km) |
| Silves to Odenthal | 1,223.89 mi (1,969.66 km) |
| Silves to Oelde | 1,294.47 mi (2,083.24 km) |
| Silves to Oelsnitz | 1,366.84 mi (2,199.72 km) |
| Silves to Oer-Erkenschwick | 1,258.13 mi (2,024.77 km) |
