| Holyhead to Arcore | 818.19 mi (1,316.74 km) |
| Holyhead to Ardea | 1,133.15 mi (1,823.63 km) |
| Holyhead to Arenzano | 860.39 mi (1,384.67 km) |
| Holyhead to Arese | 813.88 mi (1,309.81 km) |
| Holyhead to Arezzo | 1,013.78 mi (1,631.53 km) |
| Holyhead to Argelato | 939.75 mi (1,512.38 km) |
| Holyhead to Argenta | 954.61 mi (1,536.30 km) |
| Holyhead to Ariano Irpino | 1,242.00 mi (1,998.81 km) |
| Holyhead to Ariccia | 1,131.55 mi (1,821.06 km) |
| Holyhead to Arluno | 811.92 mi (1,306.65 km) |
| Holyhead to Arona | 786.62 mi (1,265.95 km) |
| Holyhead to Artena | 1,138.82 mi (1,832.76 km) |
| Holyhead to Arzachena | 1,066.77 mi (1,716.79 km) |
| Holyhead to Arzano | 1,226.88 mi (1,974.48 km) |
| Holyhead to Arzignano | 893.89 mi (1,438.57 km) |
