| Harrow Weald to Sabadell | 704.32 mi (1,133.50 km) |
| Harrow Weald to Sabinanigo | 627.74 mi (1,010.25 km) |
| Harrow Weald to Sagunto | 824.12 mi (1,326.30 km) |
| Harrow Weald to Salamanca | 777.29 mi (1,250.93 km) |
| Harrow Weald to Salobrena | 1,038.81 mi (1,671.80 km) |
| Harrow Weald to Salou | 730.50 mi (1,175.63 km) |
| Harrow Weald to Salt | 681.30 mi (1,096.45 km) |
| Harrow Weald to Salvatierra de Mino | 761.46 mi (1,225.46 km) |
| Harrow Weald to Sama | 625.31 mi (1,006.34 km) |
| Harrow Weald to San Adrian de Besos | 713.24 mi (1,147.85 km) |
| Harrow Weald to San Agustin de Guadalix | 770.82 mi (1,240.51 km) |
| Harrow Weald to San Andres de la Barca | 710.21 mi (1,142.97 km) |
| Harrow Weald to San Andres de Llevaneras | 705.74 mi (1,135.79 km) |
| Harrow Weald to San Andres del Rabanedo | 667.99 mi (1,075.03 km) |
| Harrow Weald to San Bartolome | 1,816.76 mi (2,923.80 km) |
