| Ianca to Santander | 1,541.42 mi (2,480.68 km) |
| Ianca to Santany | 1,301.95 mi (2,095.28 km) |
| Ianca to Santiago de Compostela | 1,781.92 mi (2,867.73 km) |
| Ianca to Santiago del Teide | 2,672.80 mi (4,301.45 km) |
| Ianca to Santiponce | 1,805.04 mi (2,904.93 km) |
| Ianca to Santomera | 1,543.27 mi (2,483.66 km) |
| Ianca to Santona | 1,524.99 mi (2,454.24 km) |
| Ianca to Santurce-Antiguo | 1,506.38 mi (2,424.28 km) |
| Ianca to Sarria | 1,729.40 mi (2,783.19 km) |
| Ianca to Sauzal | 2,646.82 mi (4,259.64 km) |
| Ianca to Sedavi | 1,469.58 mi (2,365.05 km) |
| Ianca to Segorbe | 1,462.65 mi (2,353.90 km) |
| Ianca to Segovia | 1,610.71 mi (2,592.19 km) |
| Ianca to Senmanat | 1,290.18 mi (2,076.34 km) |
| Ianca to Sesena | 1,611.96 mi (2,594.21 km) |
