| Seia to San Lorenzo de El Escorial | 187.36 mi (301.52 km) |
| Seia to San Martin de la Vega | 218.07 mi (350.94 km) |
| Seia to San Martin de Valdeiglesias | 173.76 mi (279.65 km) |
| Seia to San Pedro de Ribas | 498.40 mi (802.10 km) |
| Seia to San Roque | 316.98 mi (510.13 km) |
| Seia to San Sebastian de la Gomera | 1,005.73 mi (1,618.57 km) |
| Seia to San Sebastian de los Reyes | 214.38 mi (345.02 km) |
| Seia to San Vicente de Baracaldo | 313.32 mi (504.24 km) |
| Seia to San Vicente de Castellet | 505.59 mi (813.67 km) |
| Seia to San Vicente del Raspeig | 407.75 mi (656.21 km) |
| Seia to San Vicente dels Horts | 511.29 mi (822.85 km) |
| Seia to Sangenjo | 148.27 mi (238.61 km) |
| Seia to Sanlucar de Barrameda | 262.89 mi (423.09 km) |
| Seia to Sanlucar la Mayor | 224.96 mi (362.04 km) |
| Seia to Sant Joan de Vilatorrada | 503.26 mi (809.93 km) |
