| Holyhead to San Lorenzo de Descardazar | 1,017.35 mi (1,637.26 km) |
| Holyhead to San Lorenzo de El Escorial | 878.85 mi (1,414.37 km) |
| Holyhead to San Martin de la Vega | 906.46 mi (1,458.81 km) |
| Holyhead to San Martin de Valdeiglesias | 894.48 mi (1,439.52 km) |
| Holyhead to San Pedro de Ribas | 884.17 mi (1,422.93 km) |
| Holyhead to San Roque | 1,182.01 mi (1,902.25 km) |
| Holyhead to San Sebastian de la Gomera | 1,854.62 mi (2,984.72 km) |
| Holyhead to San Sebastian de los Reyes | 883.03 mi (1,421.10 km) |
| Holyhead to San Vicente de Baracaldo | 695.80 mi (1,119.78 km) |
| Holyhead to San Vicente de Castellet | 858.90 mi (1,382.27 km) |
| Holyhead to San Vicente del Raspeig | 1,048.71 mi (1,687.73 km) |
| Holyhead to San Vicente dels Horts | 879.13 mi (1,414.83 km) |
| Holyhead to Sangenjo | 777.72 mi (1,251.62 km) |
| Holyhead to Sanlucar de Barrameda | 1,145.95 mi (1,844.22 km) |
| Holyhead to Sanlucar la Mayor | 1,102.93 mi (1,775.00 km) |
