| Harwich to Argentona | 719.06 mi (1,157.21 km) |
| Harwich to Arico el Nuevo | 1,879.07 mi (3,024.07 km) |
| Harwich to Armilla | 1,048.79 mi (1,687.86 km) |
| Harwich to Arnedo | 689.63 mi (1,109.85 km) |
| Harwich to Arona | 1,889.39 mi (3,040.68 km) |
| Harwich to Arrecife | 1,760.26 mi (2,832.86 km) |
| Harwich to Arrigorriaga | 632.96 mi (1,018.65 km) |
| Harwich to Arroyomolinos | 842.72 mi (1,356.23 km) |
| Harwich to Arteijo | 748.85 mi (1,205.16 km) |
| Harwich to Arucas | 1,859.73 mi (2,992.94 km) |
| Harwich to Aspe | 943.99 mi (1,519.21 km) |
| Harwich to Astorga | 738.71 mi (1,188.83 km) |
| Harwich to Atarfe | 1,044.67 mi (1,681.23 km) |
| Harwich to Avila | 829.08 mi (1,334.27 km) |
| Harwich to Aviles | 667.22 mi (1,073.78 km) |
