| Idanha-a-Nova to Selargius | 872.93 mi (1,404.84 km) |
| Idanha-a-Nova to Selvazzano Dentro | 1,034.47 mi (1,664.81 km) |
| Idanha-a-Nova to Senago | 915.79 mi (1,473.82 km) |
| Idanha-a-Nova to Senigallia | 1,082.27 mi (1,741.75 km) |
| Idanha-a-Nova to Seravezza | 938.62 mi (1,510.57 km) |
| Idanha-a-Nova to Seregno | 920.37 mi (1,481.19 km) |
| Idanha-a-Nova to Seriate | 944.76 mi (1,520.44 km) |
| Idanha-a-Nova to Sermoneta | 1,062.00 mi (1,709.12 km) |
| Idanha-a-Nova to Serramanna | 858.69 mi (1,381.92 km) |
| Idanha-a-Nova to Serravalle Pistoiese | 966.63 mi (1,555.64 km) |
| Idanha-a-Nova to Sessa Aurunca | 1,111.78 mi (1,789.24 km) |
| Idanha-a-Nova to Sesto Calende | 896.72 mi (1,443.13 km) |
| Idanha-a-Nova to Sesto Fiorentino | 983.83 mi (1,583.31 km) |
| Idanha-a-Nova to Sesto San Giovanni | 919.21 mi (1,479.32 km) |
| Idanha-a-Nova to Sestri Levante | 902.08 mi (1,451.75 km) |
