| Iver to Olivares | 1,012.69 mi (1,629.76 km) |
| Iver to Olivenza | 942.37 mi (1,516.60 km) |
| Iver to Olot | 660.45 mi (1,062.88 km) |
| Iver to Onate | 593.18 mi (954.63 km) |
| Iver to Onda | 798.70 mi (1,285.38 km) |
| Iver to Onteniente | 877.42 mi (1,412.06 km) |
| Iver to Orihuela | 928.54 mi (1,494.34 km) |
| Iver to Osuna | 1,012.39 mi (1,629.28 km) |
| Iver to Ourense | 722.47 mi (1,162.70 km) |
| Iver to Oviedo | 616.18 mi (991.64 km) |
| Iver to Paiporta | 835.57 mi (1,344.72 km) |
| Iver to Pajara | 1,748.86 mi (2,814.52 km) |
| Iver to Palafolls | 697.86 mi (1,123.09 km) |
| Iver to Palafrugell | 685.71 mi (1,103.54 km) |
| Iver to Palamos | 690.12 mi (1,110.64 km) |
