| Heinola to Novi di Modena | 1,283.01 mi (2,064.81 km) |
| Heinola to Novi Ligure | 1,334.35 mi (2,147.43 km) |
| Heinola to Nuoro | 1,606.18 mi (2,584.89 km) |
| Heinola to Occhiobello | 1,268.29 mi (2,041.12 km) |
| Heinola to Oderzo | 1,196.55 mi (1,925.66 km) |
| Heinola to Oggiono | 1,258.71 mi (2,025.71 km) |
| Heinola to Olbia | 1,564.31 mi (2,517.51 km) |
| Heinola to Oleggio | 1,285.51 mi (2,068.82 km) |
| Heinola to Olgiate Comasco | 1,266.95 mi (2,038.96 km) |
| Heinola to Olgiate Olona | 1,278.02 mi (2,056.77 km) |
| Heinola to Omegna | 1,273.39 mi (2,049.33 km) |
| Heinola to Opera | 1,286.37 mi (2,070.22 km) |
| Heinola to Oppeano | 1,251.77 mi (2,014.52 km) |
| Heinola to Orbassano | 1,346.21 mi (2,166.52 km) |
| Heinola to Orbetello | 1,434.72 mi (2,308.96 km) |
