| Keystone to Sabadell | 4,702.66 mi (7,568.19 km) |
| Keystone to Sabinanigo | 4,561.35 mi (7,340.78 km) |
| Keystone to Sagunto | 4,625.28 mi (7,443.67 km) |
| Keystone to Salamanca | 4,327.76 mi (6,964.86 km) |
| Keystone to Salobrena | 4,516.62 mi (7,268.80 km) |
| Keystone to Salou | 4,665.00 mi (7,507.59 km) |
| Keystone to Salt | 4,726.26 mi (7,606.18 km) |
| Keystone to Salvatierra de Mino | 4,167.02 mi (6,706.17 km) |
| Keystone to Sama | 4,287.50 mi (6,900.07 km) |
| Keystone to San Adrian de Besos | 4,710.71 mi (7,581.16 km) |
| Keystone to San Agustin de Guadalix | 4,436.33 mi (7,139.59 km) |
| Keystone to San Andres de la Barca | 4,698.49 mi (7,561.49 km) |
| Keystone to San Andres de Llevaneras | 4,720.45 mi (7,596.84 km) |
| Keystone to San Andres del Rabanedo | 4,302.78 mi (6,924.65 km) |
| Keystone to San Bartolome | 4,030.71 mi (6,486.80 km) |
