| Horta to Noventa Vicentina | 2,094.50 mi (3,370.78 km) |
| Horta to Novi di Modena | 2,064.45 mi (3,322.41 km) |
| Horta to Novi Ligure | 1,961.01 mi (3,155.93 km) |
| Horta to Nuoro | 2,014.54 mi (3,242.09 km) |
| Horta to Occhiobello | 2,097.65 mi (3,375.84 km) |
| Horta to Oderzo | 2,140.06 mi (3,444.10 km) |
| Horta to Oggiono | 1,988.64 mi (3,200.40 km) |
| Horta to Olbia | 2,017.08 mi (3,246.17 km) |
| Horta to Oleggio | 1,953.83 mi (3,144.39 km) |
| Horta to Olgiate Comasco | 1,970.17 mi (3,170.68 km) |
| Horta to Olgiate Olona | 1,965.96 mi (3,163.90 km) |
| Horta to Omegna | 1,943.40 mi (3,127.60 km) |
| Horta to Opera | 1,981.92 mi (3,189.59 km) |
| Horta to Oppeano | 2,077.47 mi (3,343.36 km) |
| Horta to Orbassano | 1,899.90 mi (3,057.59 km) |
