| Huercal-Overa to Olivenza | 295.22 mi (475.10 km) |
| Huercal-Overa to Olot | 406.16 mi (653.65 km) |
| Huercal-Overa to Onate | 391.21 mi (629.59 km) |
| Huercal-Overa to Onda | 199.66 mi (321.31 km) |
| Huercal-Overa to Onteniente | 122.81 mi (197.64 km) |
| Huercal-Overa to Orihuela | 72.52 mi (116.72 km) |
| Huercal-Overa to Osuna | 174.33 mi (280.55 km) |
| Huercal-Overa to Ourense | 464.55 mi (747.62 km) |
| Huercal-Overa to Oviedo | 461.30 mi (742.39 km) |
| Huercal-Overa to Paiporta | 163.34 mi (262.88 km) |
| Huercal-Overa to Pajara | 940.86 mi (1,514.17 km) |
| Huercal-Overa to Palafolls | 387.17 mi (623.09 km) |
| Huercal-Overa to Palafrugell | 414.14 mi (666.49 km) |
| Huercal-Overa to Palamos | 409.31 mi (658.72 km) |
| Huercal-Overa to Palencia | 348.65 mi (561.10 km) |
