| Abertillery to Olivares | 999.83 mi (1,609.08 km) |
| Abertillery to Olivenza | 921.40 mi (1,482.85 km) |
| Abertillery to Olot | 710.39 mi (1,143.27 km) |
| Abertillery to Onate | 601.80 mi (968.51 km) |
| Abertillery to Onda | 824.50 mi (1,326.91 km) |
| Abertillery to Onteniente | 900.09 mi (1,448.56 km) |
| Abertillery to Orihuela | 948.66 mi (1,526.71 km) |
| Abertillery to Osuna | 1,006.22 mi (1,619.36 km) |
| Abertillery to Ourense | 685.87 mi (1,103.80 km) |
| Abertillery to Oviedo | 591.90 mi (952.57 km) |
| Abertillery to Paiporta | 859.90 mi (1,383.87 km) |
| Abertillery to Pajara | 1,712.05 mi (2,755.27 km) |
| Abertillery to Palafolls | 748.30 mi (1,204.27 km) |
| Abertillery to Palafrugell | 739.71 mi (1,190.46 km) |
| Abertillery to Palamos | 743.68 mi (1,196.84 km) |
