| Donostia to Selargius | 642.30 mi (1,033.68 km) |
| Donostia to Selvazzano Dentro | 693.85 mi (1,116.64 km) |
| Donostia to Senago | 569.46 mi (916.45 km) |
| Donostia to Senigallia | 760.92 mi (1,224.59 km) |
| Donostia to Seravezza | 611.73 mi (984.48 km) |
| Donostia to Seregno | 573.58 mi (923.09 km) |
| Donostia to Seriate | 598.53 mi (963.25 km) |
| Donostia to Sermoneta | 771.69 mi (1,241.92 km) |
| Donostia to Serramanna | 625.45 mi (1,006.57 km) |
| Donostia to Serravalle Pistoiese | 641.62 mi (1,032.58 km) |
| Donostia to Sessa Aurunca | 824.88 mi (1,327.52 km) |
| Donostia to Sesto Calende | 548.25 mi (882.32 km) |
| Donostia to Sesto Fiorentino | 659.98 mi (1,062.13 km) |
| Donostia to Sesto San Giovanni | 573.49 mi (922.95 km) |
| Donostia to Sestri Levante | 570.54 mi (918.20 km) |
