| Herne to Olivenza | 1,125.95 mi (1,812.05 km) |
| Herne to Olot | 684.33 mi (1,101.32 km) |
| Herne to Onate | 740.35 mi (1,191.49 km) |
| Herne to Onda | 876.98 mi (1,411.36 km) |
| Herne to Onteniente | 957.07 mi (1,540.26 km) |
| Herne to Orihuela | 1,011.18 mi (1,627.33 km) |
| Herne to Osuna | 1,157.63 mi (1,863.02 km) |
| Herne to Ourense | 951.25 mi (1,530.88 km) |
| Herne to Oviedo | 829.95 mi (1,335.68 km) |
| Herne to Paiporta | 914.37 mi (1,471.54 km) |
| Herne to Pajara | 1,945.15 mi (3,130.41 km) |
| Herne to Palafolls | 714.50 mi (1,149.88 km) |
| Herne to Palafrugell | 692.40 mi (1,114.31 km) |
| Herne to Palamos | 697.63 mi (1,122.72 km) |
| Herne to Palencia | 859.77 mi (1,383.66 km) |
