| Hudiksvall to Sonneberg | 818.52 mi (1,317.28 km) |
| Hudiksvall to Sonsbeck | 807.34 mi (1,299.28 km) |
| Hudiksvall to Sonthofen | 1,018.33 mi (1,638.85 km) |
| Hudiksvall to Spaichingen | 998.69 mi (1,607.24 km) |
| Hudiksvall to Spelle | 740.09 mi (1,191.06 km) |
| Hudiksvall to Spenge | 737.39 mi (1,186.71 km) |
| Hudiksvall to Speyer | 920.64 mi (1,481.63 km) |
| Hudiksvall to Spiesen-Elversberg | 940.10 mi (1,512.95 km) |
| Hudiksvall to Spremberg | 709.59 mi (1,141.98 km) |
| Hudiksvall to Springe | 715.50 mi (1,151.49 km) |
| Hudiksvall to Sprockhovel | 806.82 mi (1,298.45 km) |
| Hudiksvall to Stade | 627.87 mi (1,010.47 km) |
| Hudiksvall to Stadtallendorf | 813.22 mi (1,308.75 km) |
| Hudiksvall to Stadthagen | 713.68 mi (1,148.55 km) |
| Hudiksvall to Stadtlohn | 773.48 mi (1,244.80 km) |
