| Heinola to Oignies | 1,150.67 mi (1,851.82 km) |
| Heinola to Oissel | 1,264.91 mi (2,035.68 km) |
| Heinola to Olivet | 1,321.65 mi (2,127.00 km) |
| Heinola to Ollioules | 1,499.28 mi (2,412.87 km) |
| Heinola to Olonne-sur-Mer | 1,499.02 mi (2,412.43 km) |
| Heinola to Oloron-Sainte-Marie | 1,656.34 mi (2,665.62 km) |
| Heinola to Onet Village | 1,503.68 mi (2,419.94 km) |
| Heinola to Onnaing | 1,137.54 mi (1,830.69 km) |
| Heinola to Orange | 1,462.41 mi (2,353.53 km) |
| Heinola to Orchies | 1,143.14 mi (1,839.71 km) |
| Heinola to Orleans | 1,319.29 mi (2,123.19 km) |
| Heinola to Orly | 1,259.66 mi (2,027.22 km) |
| Heinola to Ormesson-sur-Marne | 1,253.29 mi (2,016.97 km) |
| Heinola to Orsay | 1,267.93 mi (2,040.53 km) |
| Heinola to Orthez | 1,643.60 mi (2,645.11 km) |
