| Holyhead to Allouez (Wisconsin) | 3,617.13 mi (5,821.21 km) |
| Holyhead to Aloha (Oregon) | 4,702.33 mi (7,567.68 km) |
| Holyhead to Alpena (Michigan) | 3,419.10 mi (5,502.50 km) |
| Holyhead to Alpharetta (Georgia) | 3,968.56 mi (6,386.79 km) |
| Holyhead to Alpine (California) | 5,235.15 mi (8,425.15 km) |
| Holyhead to Alpine (Utah) | 4,647.82 mi (7,479.94 km) |
| Holyhead to Alsip (Illinois) | 3,736.32 mi (6,013.02 km) |
| Holyhead to Altadena (California) | 5,203.58 mi (8,374.35 km) |
| Holyhead to Altamont (Oregon) | 4,857.56 mi (7,817.49 km) |
| Holyhead to Altamonte Springs (Florida) | 4,124.26 mi (6,637.35 km) |
| Holyhead to Alton (Illinois) | 3,960.59 mi (6,373.95 km) |
| Holyhead to Alton (Texas) | 4,925.63 mi (7,927.03 km) |
| Holyhead to Altoona (Iowa) | 3,951.31 mi (6,359.01 km) |
| Holyhead to Altoona (Pennsylvania) | 3,428.44 mi (5,517.55 km) |
| Holyhead to Altus (Oklahoma) | 4,520.16 mi (7,274.50 km) |
