| Huelva to Noventa Vicentina | 1,104.99 mi (1,778.31 km) |
| Huelva to Novi di Modena | 1,065.95 mi (1,715.48 km) |
| Huelva to Novi Ligure | 968.19 mi (1,558.16 km) |
| Huelva to Nuoro | 900.82 mi (1,449.72 km) |
| Huelva to Occhiobello | 1,097.36 mi (1,766.03 km) |
| Huelva to Oderzo | 1,161.32 mi (1,868.96 km) |
| Huelva to Oggiono | 1,025.77 mi (1,650.82 km) |
| Huelva to Olbia | 916.31 mi (1,474.66 km) |
| Huelva to Oleggio | 989.45 mi (1,592.37 km) |
| Huelva to Olgiate Comasco | 1,009.73 mi (1,625.00 km) |
| Huelva to Olgiate Olona | 1,001.07 mi (1,611.07 km) |
| Huelva to Omegna | 989.95 mi (1,593.16 km) |
| Huelva to Opera | 1,006.81 mi (1,620.31 km) |
| Huelva to Oppeano | 1,089.92 mi (1,754.05 km) |
| Huelva to Orbassano | 922.79 mi (1,485.08 km) |
