| San Mateo to Spello | 6,196.12 mi (9,971.69 km) |
| San Mateo to Spilamberto | 6,061.37 mi (9,754.84 km) |
| San Mateo to Spilimbergo | 6,022.28 mi (9,691.93 km) |
| San Mateo to Spinea | 6,038.91 mi (9,718.69 km) |
| San Mateo to Spoleto | 6,209.79 mi (9,993.70 km) |
| San Mateo to Spoltore | 6,268.08 mi (10,087.50 km) |
| San Mateo to Spresiano | 6,024.82 mi (9,696.02 km) |
| San Mateo to Squinzano | 6,493.44 mi (10,450.18 km) |
| San Mateo to Statte | 6,462.68 mi (10,400.68 km) |
| San Mateo to Stezzano | 5,959.85 mi (9,591.45 km) |
| San Mateo to Strada | 6,123.62 mi (9,855.02 km) |
| San Mateo to Stradella | 5,981.30 mi (9,625.97 km) |
| San Mateo to Striano | 6,375.03 mi (10,259.63 km) |
| San Mateo to Subiaco | 6,268.79 mi (10,088.65 km) |
| San Mateo to Sulmona | 6,285.63 mi (10,115.75 km) |
