| Southborough to San Lorenzo de Descardazar | 811.24 mi (1,305.57 km) |
| Southborough to San Lorenzo de El Escorial | 759.86 mi (1,222.88 km) |
| Southborough to San Martin de la Vega | 778.66 mi (1,253.13 km) |
| Southborough to San Martin de Valdeiglesias | 778.68 mi (1,253.17 km) |
| Southborough to San Pedro de Ribas | 687.81 mi (1,106.93 km) |
| Southborough to San Roque | 1,070.02 mi (1,722.03 km) |
| Southborough to San Sebastian de la Gomera | 1,832.19 mi (2,948.62 km) |
| Southborough to San Sebastian de los Reyes | 756.53 mi (1,217.51 km) |
| Southborough to San Vicente de Baracaldo | 564.19 mi (907.97 km) |
| Southborough to San Vicente de Castellet | 660.36 mi (1,062.74 km) |
| Southborough to San Vicente del Raspeig | 882.70 mi (1,420.57 km) |
| Southborough to San Vicente dels Horts | 679.88 mi (1,094.16 km) |
| Southborough to Sangenjo | 740.70 mi (1,192.04 km) |
| Southborough to Sanlucar de Barrameda | 1,046.41 mi (1,684.03 km) |
| Southborough to Sanlucar la Mayor | 1,003.21 mi (1,614.50 km) |
