| Heinola to Obernburg am Main | 1,019.78 mi (1,641.18 km) |
| Heinola to Obernkirchen | 885.04 mi (1,424.34 km) |
| Heinola to Oberschleissheim | 1,059.56 mi (1,705.20 km) |
| Heinola to Oberstdorf | 1,138.53 mi (1,832.29 km) |
| Heinola to Obertraubling | 1,003.04 mi (1,614.24 km) |
| Heinola to Obertshausen | 1,014.37 mi (1,632.47 km) |
| Heinola to Oberursel | 1,013.03 mi (1,630.31 km) |
| Heinola to Ochsenfurt | 1,008.63 mi (1,623.24 km) |
| Heinola to Ochsenhausen | 1,105.47 mi (1,779.08 km) |
| Heinola to Ochtrup | 941.01 mi (1,514.41 km) |
| Heinola to Odenthal | 1,005.19 mi (1,617.70 km) |
| Heinola to Oelde | 934.23 mi (1,503.50 km) |
| Heinola to Oelsnitz | 915.21 mi (1,472.88 km) |
| Heinola to Oer-Erkenschwick | 968.90 mi (1,559.30 km) |
| Heinola to Oerlinghausen | 913.18 mi (1,469.62 km) |
