| Castelo Branco to Selargius | 887.36 mi (1,428.07 km) |
| Castelo Branco to Selvazzano Dentro | 1,050.20 mi (1,690.13 km) |
| Castelo Branco to Senago | 931.48 mi (1,499.06 km) |
| Castelo Branco to Senigallia | 1,097.95 mi (1,766.98 km) |
| Castelo Branco to Seravezza | 954.35 mi (1,535.87 km) |
| Castelo Branco to Seregno | 936.05 mi (1,506.43 km) |
| Castelo Branco to Seriate | 960.45 mi (1,545.70 km) |
| Castelo Branco to Sermoneta | 1,077.32 mi (1,733.79 km) |
| Castelo Branco to Serramanna | 873.19 mi (1,405.27 km) |
| Castelo Branco to Serravalle Pistoiese | 982.34 mi (1,580.93 km) |
| Castelo Branco to Sessa Aurunca | 1,127.04 mi (1,813.79 km) |
| Castelo Branco to Sesto Calende | 912.38 mi (1,468.33 km) |
| Castelo Branco to Sesto Fiorentino | 999.53 mi (1,608.59 km) |
| Castelo Branco to Sesto San Giovanni | 934.90 mi (1,504.58 km) |
| Castelo Branco to Sestri Levante | 917.82 mi (1,477.08 km) |
