| Witham to Selargius | 958.36 mi (1,542.33 km) |
| Witham to Selvazzano Dentro | 673.88 mi (1,084.51 km) |
| Witham to Senago | 577.63 mi (929.60 km) |
| Witham to Senigallia | 806.33 mi (1,297.67 km) |
| Witham to Seravezza | 697.27 mi (1,122.16 km) |
| Witham to Seregno | 576.09 mi (927.13 km) |
| Witham to Seriate | 590.41 mi (950.18 km) |
| Witham to Sermoneta | 916.09 mi (1,474.30 km) |
| Witham to Serramanna | 942.70 mi (1,517.13 km) |
| Witham to Serravalle Pistoiese | 720.63 mi (1,159.74 km) |
| Witham to Sessa Aurunca | 962.60 mi (1,549.16 km) |
| Witham to Sesto Calende | 554.49 mi (892.36 km) |
| Witham to Sesto Fiorentino | 735.41 mi (1,183.53 km) |
| Witham to Sesto San Giovanni | 583.36 mi (938.82 km) |
| Witham to Sestri Levante | 657.76 mi (1,058.56 km) |
