| Potters Bar to San Lorenzo de Descardazar | 851.64 mi (1,370.59 km) |
| Potters Bar to San Lorenzo de El Escorial | 790.00 mi (1,271.38 km) |
| Potters Bar to San Martin de la Vega | 810.08 mi (1,303.69 km) |
| Potters Bar to San Martin de Valdeiglesias | 808.46 mi (1,301.10 km) |
| Potters Bar to San Pedro de Ribas | 727.16 mi (1,170.25 km) |
| Potters Bar to San Roque | 1,100.25 mi (1,770.69 km) |
| Potters Bar to San Sebastian de la Gomera | 1,851.28 mi (2,979.35 km) |
| Potters Bar to San Sebastian de los Reyes | 787.68 mi (1,267.64 km) |
| Potters Bar to San Vicente de Baracaldo | 594.94 mi (957.47 km) |
| Potters Bar to San Vicente de Castellet | 699.86 mi (1,126.32 km) |
| Potters Bar to San Vicente del Raspeig | 919.20 mi (1,479.31 km) |
| Potters Bar to San Vicente dels Horts | 719.49 mi (1,157.90 km) |
| Potters Bar to Sangenjo | 758.69 mi (1,220.99 km) |
| Potters Bar to Sanlucar de Barrameda | 1,074.91 mi (1,729.91 km) |
| Potters Bar to Sanlucar la Mayor | 1,031.61 mi (1,660.22 km) |
