| Kolno to Oberkirch | 688.78 mi (1,108.48 km) |
| Kolno to Obernburg am Main | 600.51 mi (966.43 km) |
| Kolno to Obernkirchen | 539.96 mi (868.98 km) |
| Kolno to Oberschleissheim | 575.09 mi (925.52 km) |
| Kolno to Oberstdorf | 658.36 mi (1,059.52 km) |
| Kolno to Obertraubling | 521.96 mi (840.01 km) |
| Kolno to Obertshausen | 605.15 mi (973.89 km) |
| Kolno to Oberursel | 611.00 mi (983.30 km) |
| Kolno to Ochsenfurt | 571.48 mi (919.72 km) |
| Kolno to Ochsenhausen | 639.53 mi (1,029.23 km) |
| Kolno to Ochtrup | 620.24 mi (998.19 km) |
| Kolno to Odenthal | 647.00 mi (1,041.24 km) |
| Kolno to Oelde | 587.36 mi (945.27 km) |
| Kolno to Oelsnitz | 464.31 mi (747.24 km) |
| Kolno to Oer-Erkenschwick | 628.01 mi (1,010.68 km) |
