| Ianca to San Lorenzo de El Escorial | 1,620.82 mi (2,608.46 km) |
| Ianca to San Martin de la Vega | 1,603.01 mi (2,579.80 km) |
| Ianca to San Martin de Valdeiglesias | 1,639.34 mi (2,638.26 km) |
| Ianca to San Pedro de Ribas | 1,316.07 mi (2,118.01 km) |
| Ianca to San Roque | 1,814.12 mi (2,919.55 km) |
| Ianca to San Sebastian de la Gomera | 2,695.64 mi (4,338.21 km) |
| Ianca to San Sebastian de los Reyes | 1,596.82 mi (2,569.83 km) |
| Ianca to San Vicente de Baracaldo | 1,505.06 mi (2,422.17 km) |
| Ianca to San Vicente de Castellet | 1,302.11 mi (2,095.55 km) |
| Ianca to San Vicente del Raspeig | 1,507.40 mi (2,425.93 km) |
| Ianca to San Vicente dels Horts | 1,301.35 mi (2,094.32 km) |
| Ianca to Sangenjo | 1,804.78 mi (2,904.52 km) |
| Ianca to Sanlucar de Barrameda | 1,841.85 mi (2,964.18 km) |
| Ianca to Sanlucar la Mayor | 1,814.33 mi (2,919.87 km) |
| Ianca to Sant Joan de Vilatorrada | 1,303.15 mi (2,097.21 km) |
