| Holyhead to Yverdon-les-Bains | 672.26 mi (1,081.89 km) |
| Holyhead to Zofingen | 691.90 mi (1,113.51 km) |
| Holyhead to Zollikon | 712.07 mi (1,145.96 km) |
| Holyhead to Zuchwil | 682.51 mi (1,098.39 km) |
| Holyhead to Zug | 717.72 mi (1,155.06 km) |
| Holyhead to Zurich | 709.30 mi (1,141.51 km) |
| Holyhead to Ra's al `Ayn | 2,407.35 mi (3,874.26 km) |
| Holyhead to Tall Abyad | 2,369.31 mi (3,813.04 km) |
| Holyhead to Acarlar | 1,871.82 mi (3,012.40 km) |
| Holyhead to Acigol | 2,103.67 mi (3,385.52 km) |
| Holyhead to Acipayam | 1,953.01 mi (3,143.07 km) |
| Holyhead to Adakli | 2,315.45 mi (3,726.36 km) |
| Holyhead to Adana | 2,208.61 mi (3,554.42 km) |
| Holyhead to Adilcevaz | 2,427.57 mi (3,906.79 km) |
| Holyhead to Adiyaman | 2,292.00 mi (3,688.62 km) |
