| Siilinjarvi to Obernburg am Main | 1,147.02 mi (1,845.94 km) |
| Siilinjarvi to Obernkirchen | 1,006.18 mi (1,619.29 km) |
| Siilinjarvi to Oberschleissheim | 1,193.52 mi (1,920.78 km) |
| Siilinjarvi to Oberstdorf | 1,271.48 mi (2,046.25 km) |
| Siilinjarvi to Obertraubling | 1,137.10 mi (1,829.98 km) |
| Siilinjarvi to Obertshausen | 1,140.50 mi (1,835.46 km) |
| Siilinjarvi to Oberursel | 1,138.31 mi (1,831.94 km) |
| Siilinjarvi to Ochsenfurt | 1,138.06 mi (1,831.54 km) |
| Siilinjarvi to Ochsenhausen | 1,237.08 mi (1,990.88 km) |
| Siilinjarvi to Ochtrup | 1,057.43 mi (1,701.77 km) |
| Siilinjarvi to Odenthal | 1,125.07 mi (1,810.62 km) |
| Siilinjarvi to Oelde | 1,054.28 mi (1,696.70 km) |
| Siilinjarvi to Oelsnitz | 1,047.30 mi (1,685.47 km) |
| Siilinjarvi to Oer-Erkenschwick | 1,087.31 mi (1,749.85 km) |
| Siilinjarvi to Oerlinghausen | 1,034.11 mi (1,664.24 km) |
