| Heum to Olivenza | 1,601.48 mi (2,577.33 km) |
| Heum to Olot | 1,213.43 mi (1,952.83 km) |
| Heum to Onate | 1,231.10 mi (1,981.27 km) |
| Heum to Onda | 1,397.52 mi (2,249.09 km) |
| Heum to Onteniente | 1,478.35 mi (2,379.18 km) |
| Heum to Orihuela | 1,532.28 mi (2,465.96 km) |
| Heum to Osuna | 1,656.06 mi (2,665.17 km) |
| Heum to Ourense | 1,389.74 mi (2,236.57 km) |
| Heum to Oviedo | 1,280.40 mi (2,060.60 km) |
| Heum to Paiporta | 1,435.32 mi (2,309.92 km) |
| Heum to Pajara | 2,414.40 mi (3,885.61 km) |
| Heum to Palafolls | 1,245.07 mi (2,003.75 km) |
| Heum to Palafrugell | 1,223.88 mi (1,969.64 km) |
| Heum to Palamos | 1,229.08 mi (1,978.01 km) |
| Heum to Palencia | 1,336.89 mi (2,151.52 km) |
