| Holyhead to Sycow | 950.45 mi (1,529.60 km) |
| Holyhead to Szamotuly | 881.23 mi (1,418.21 km) |
| Holyhead to Szczecin | 788.37 mi (1,268.76 km) |
| Holyhead to Szczecinek | 872.96 mi (1,404.90 km) |
| Holyhead to Szczytno | 1,048.78 mi (1,687.84 km) |
| Holyhead to Szprotawa | 854.97 mi (1,375.95 km) |
| Holyhead to Sztum | 966.42 mi (1,555.30 km) |
| Holyhead to Szubin | 923.62 mi (1,486.43 km) |
| Holyhead to Szydlowiec | 1,081.03 mi (1,739.76 km) |
| Holyhead to Tarnobrzeg | 1,129.83 mi (1,818.28 km) |
| Holyhead to Tarnow | 1,115.10 mi (1,794.58 km) |
| Holyhead to Tarnowskie Gory | 1,016.50 mi (1,635.90 km) |
| Holyhead to Tczew | 955.54 mi (1,537.80 km) |
| Holyhead to Tomaszow Lubelski | 1,204.52 mi (1,938.49 km) |
| Holyhead to Tomaszow Mazowiecki | 1,040.93 mi (1,675.22 km) |
