| Harrow to San Lorenzo de Descardazar | 845.51 mi (1,360.72 km) |
| Harrow to San Lorenzo de El Escorial | 780.54 mi (1,256.16 km) |
| Harrow to San Martin de la Vega | 800.83 mi (1,288.82 km) |
| Harrow to San Martin de Valdeiglesias | 798.95 mi (1,285.79 km) |
| Harrow to San Pedro de Ribas | 720.37 mi (1,159.32 km) |
| Harrow to San Roque | 1,090.78 mi (1,755.44 km) |
| Harrow to San Sebastian de la Gomera | 1,840.80 mi (2,962.48 km) |
| Harrow to San Sebastian de los Reyes | 778.39 mi (1,252.70 km) |
| Harrow to San Vicente de Baracaldo | 585.62 mi (942.47 km) |
| Harrow to San Vicente de Castellet | 693.17 mi (1,115.55 km) |
| Harrow to San Vicente del Raspeig | 911.19 mi (1,466.42 km) |
| Harrow to San Vicente dels Horts | 712.85 mi (1,147.22 km) |
| Harrow to Sangenjo | 748.18 mi (1,204.08 km) |
| Harrow to Sanlucar de Barrameda | 1,065.19 mi (1,714.26 km) |
| Harrow to Sanlucar la Mayor | 1,021.88 mi (1,644.55 km) |
