| Ianca to Olivenza | 1,817.80 mi (2,925.46 km) |
| Ianca to Olot | 1,260.30 mi (2,028.26 km) |
| Ianca to Onate | 1,482.11 mi (2,385.22 km) |
| Ianca to Onda | 1,448.63 mi (2,331.34 km) |
| Ianca to Onteniente | 1,498.23 mi (2,411.17 km) |
| Ianca to Orihuela | 1,537.57 mi (2,474.49 km) |
| Ianca to Osuna | 1,765.86 mi (2,841.88 km) |
| Ianca to Ourense | 1,760.55 mi (2,833.33 km) |
| Ianca to Oviedo | 1,641.96 mi (2,642.48 km) |
| Ianca to Paiporta | 1,471.17 mi (2,367.63 km) |
| Ianca to Pajara | 2,540.84 mi (4,089.09 km) |
| Ianca to Palafolls | 1,258.84 mi (2,025.91 km) |
| Ianca to Palafrugell | 1,233.17 mi (1,984.60 km) |
| Ianca to Palamos | 1,236.43 mi (1,989.84 km) |
| Ianca to Palencia | 1,605.91 mi (2,584.47 km) |
