| San Mateo to Selargius | 6,301.19 mi (10,140.79 km) |
| San Mateo to Selvazzano Dentro | 6,034.76 mi (9,712.01 km) |
| San Mateo to Senago | 5,948.71 mi (9,573.52 km) |
| San Mateo to Senigallia | 6,169.91 mi (9,929.52 km) |
| San Mateo to Seravezza | 6,068.85 mi (9,766.87 km) |
| San Mateo to Seregno | 5,946.92 mi (9,570.65 km) |
| San Mateo to Seriate | 5,959.81 mi (9,591.39 km) |
| San Mateo to Sermoneta | 6,287.43 mi (10,118.65 km) |
| San Mateo to Serramanna | 6,284.20 mi (10,113.45 km) |
| San Mateo to Serravalle Pistoiese | 6,091.83 mi (9,803.86 km) |
| San Mateo to Sessa Aurunca | 6,332.90 mi (10,191.82 km) |
| San Mateo to Sesto Calende | 5,925.96 mi (9,536.91 km) |
| San Mateo to Sesto Fiorentino | 6,106.14 mi (9,826.87 km) |
| San Mateo to Sesto San Giovanni | 5,954.36 mi (9,582.62 km) |
| San Mateo to Sestri Levante | 6,029.07 mi (9,702.85 km) |
