| Mairena del Aljarafe to Selargius | 835.30 mi (1,344.28 km) |
| Mairena del Aljarafe to Selvazzano Dentro | 1,076.37 mi (1,732.26 km) |
| Mairena del Aljarafe to Senago | 969.14 mi (1,559.68 km) |
| Mairena del Aljarafe to Senigallia | 1,101.23 mi (1,772.25 km) |
| Mairena del Aljarafe to Seravezza | 968.08 mi (1,557.97 km) |
| Mairena del Aljarafe to Seregno | 974.26 mi (1,567.93 km) |
| Mairena del Aljarafe to Seriate | 997.06 mi (1,604.62 km) |
| Mairena del Aljarafe to Sermoneta | 1,054.92 mi (1,697.72 km) |
| Mairena del Aljarafe to Serramanna | 823.56 mi (1,325.40 km) |
| Mairena del Aljarafe to Serravalle Pistoiese | 993.13 mi (1,598.29 km) |
| Mairena del Aljarafe to Sessa Aurunca | 1,100.29 mi (1,770.75 km) |
| Mairena del Aljarafe to Sesto Calende | 953.95 mi (1,535.24 km) |
| Mairena del Aljarafe to Sesto Fiorentino | 1,008.54 mi (1,623.09 km) |
| Mairena del Aljarafe to Sesto San Giovanni | 971.56 mi (1,563.57 km) |
| Mairena del Aljarafe to Sestri Levante | 937.77 mi (1,509.20 km) |
