| Harrow Weald to San Lorenzo de Descardazar | 846.81 mi (1,362.81 km) |
| Harrow Weald to San Lorenzo de El Escorial | 781.99 mi (1,258.49 km) |
| Harrow Weald to San Martin de la Vega | 802.28 mi (1,291.14 km) |
| Harrow Weald to San Martin de Valdeiglesias | 800.39 mi (1,288.11 km) |
| Harrow Weald to San Pedro de Ribas | 721.71 mi (1,161.49 km) |
| Harrow Weald to San Roque | 1,092.23 mi (1,757.77 km) |
| Harrow Weald to San Sebastian de la Gomera | 1,842.14 mi (2,964.63 km) |
| Harrow Weald to San Sebastian de los Reyes | 779.83 mi (1,255.02 km) |
| Harrow Weald to San Vicente de Baracaldo | 587.07 mi (944.79 km) |
| Harrow Weald to San Vicente de Castellet | 694.51 mi (1,117.70 km) |
| Harrow Weald to San Vicente del Raspeig | 912.60 mi (1,468.69 km) |
| Harrow Weald to San Vicente dels Horts | 714.19 mi (1,149.37 km) |
| Harrow Weald to Sangenjo | 749.52 mi (1,206.23 km) |
| Harrow Weald to Sanlucar de Barrameda | 1,066.63 mi (1,716.57 km) |
| Harrow Weald to Sanlucar la Mayor | 1,023.32 mi (1,646.87 km) |
