| Hudiksvall to Selargius | 1,589.34 mi (2,557.79 km) |
| Hudiksvall to Selvazzano Dentro | 1,149.75 mi (1,850.35 km) |
| Hudiksvall to Senago | 1,160.70 mi (1,867.96 km) |
| Hudiksvall to Senigallia | 1,255.17 mi (2,020.00 km) |
| Hudiksvall to Seravezza | 1,256.77 mi (2,022.58 km) |
| Hudiksvall to Seregno | 1,155.48 mi (1,859.56 km) |
| Hudiksvall to Seriate | 1,147.64 mi (1,846.94 km) |
| Hudiksvall to Sermoneta | 1,405.07 mi (2,261.24 km) |
| Hudiksvall to Serramanna | 1,580.01 mi (2,542.77 km) |
| Hudiksvall to Serravalle Pistoiese | 1,258.39 mi (2,025.18 km) |
| Hudiksvall to Sessa Aurunca | 1,422.61 mi (2,289.47 km) |
| Hudiksvall to Sesto Calende | 1,156.30 mi (1,860.89 km) |
| Hudiksvall to Sesto Fiorentino | 1,260.00 mi (2,027.77 km) |
| Hudiksvall to Sesto San Giovanni | 1,162.97 mi (1,871.62 km) |
| Hudiksvall to Sestri Levante | 1,246.32 mi (2,005.75 km) |
