| Sipoo to Obernburg am Main | 962.51 mi (1,549.01 km) |
| Sipoo to Obernkirchen | 830.89 mi (1,337.18 km) |
| Sipoo to Oberschleissheim | 999.21 mi (1,608.07 km) |
| Sipoo to Oberstdorf | 1,078.59 mi (1,735.82 km) |
| Sipoo to Obertraubling | 942.67 mi (1,517.08 km) |
| Sipoo to Obertshausen | 957.62 mi (1,541.14 km) |
| Sipoo to Oberursel | 956.68 mi (1,539.62 km) |
| Sipoo to Ochsenfurt | 950.35 mi (1,529.44 km) |
| Sipoo to Ochsenhausen | 1,046.13 mi (1,683.58 km) |
| Sipoo to Ochtrup | 889.04 mi (1,430.77 km) |
| Sipoo to Odenthal | 951.43 mi (1,531.18 km) |
| Sipoo to Oelde | 880.51 mi (1,417.04 km) |
| Sipoo to Oelsnitz | 855.76 mi (1,377.22 km) |
| Sipoo to Oer-Erkenschwick | 915.91 mi (1,474.02 km) |
| Sipoo to Oerlinghausen | 859.07 mi (1,382.54 km) |
