| Haapsalu to Novi di Modena | 1,105.76 mi (1,779.55 km) |
| Haapsalu to Novi Ligure | 1,159.00 mi (1,865.23 km) |
| Haapsalu to Nuoro | 1,428.38 mi (2,298.76 km) |
| Haapsalu to Occhiobello | 1,090.62 mi (1,755.18 km) |
| Haapsalu to Oderzo | 1,018.67 mi (1,639.40 km) |
| Haapsalu to Oggiono | 1,083.56 mi (1,743.82 km) |
| Haapsalu to Olbia | 1,386.57 mi (2,231.47 km) |
| Haapsalu to Oleggio | 1,111.10 mi (1,788.14 km) |
| Haapsalu to Olgiate Comasco | 1,092.28 mi (1,757.86 km) |
| Haapsalu to Olgiate Olona | 1,103.31 mi (1,775.61 km) |
| Haapsalu to Omegna | 1,099.59 mi (1,769.62 km) |
| Haapsalu to Opera | 1,111.03 mi (1,788.03 km) |
| Haapsalu to Oppeano | 1,074.49 mi (1,729.22 km) |
| Haapsalu to Orbassano | 1,172.70 mi (1,887.28 km) |
| Haapsalu to Orbetello | 1,256.64 mi (2,022.37 km) |
