| Cities | Distance |
|---|---|
| Hwlffordd to Sesena | 810.42 mi (1,304.24 km) |
| Hwlffordd to Sestao | 593.60 mi (955.30 km) |
| Hwlffordd to Sevilla | 1,007.23 mi (1,620.97 km) |
| Hwlffordd to Sevilla La Nueva | 792.56 mi (1,275.50 km) |
| Hwlffordd to Silla | 886.78 mi (1,427.14 km) |
| Hwlffordd to Silleda | 646.93 mi (1,041.14 km) |
| Hwlffordd to Sitges | 797.10 mi (1,282.81 km) |
| Hwlffordd to Socuellamos | 870.41 mi (1,400.80 km) |
| Hwlffordd to Soller | 908.65 mi (1,462.33 km) |
| Hwlffordd to Solsona | 742.81 mi (1,195.43 km) |
| Hwlffordd to Son Servera | 931.11 mi (1,498.48 km) |
| Hwlffordd to Sonseca | 837.45 mi (1,347.75 km) |
| Hwlffordd to Sopelana | 588.96 mi (947.84 km) |
| Hwlffordd to Soria | 703.17 mi (1,131.63 km) |
| Hwlffordd to Suances | 579.66 mi (932.87 km) |