| Harwich to Ames | 775.56 mi (1,248.15 km) |
| Harwich to Amorebieta | 630.09 mi (1,014.03 km) |
| Harwich to Amposta | 776.14 mi (1,249.08 km) |
| Harwich to Amurrio | 644.87 mi (1,037.82 km) |
| Harwich to Andoain | 621.27 mi (999.84 km) |
| Harwich to Andraitx | 855.73 mi (1,377.17 km) |
| Harwich to Andujar | 993.89 mi (1,599.52 km) |
| Harwich to Antequera | 1,068.98 mi (1,720.36 km) |
| Harwich to Antigua | 1,805.65 mi (2,905.91 km) |
| Harwich to Aranda de Duero | 745.48 mi (1,199.74 km) |
| Harwich to Aranjuez | 854.34 mi (1,374.93 km) |
| Harwich to Archena | 962.82 mi (1,549.52 km) |
| Harwich to Arcos de la Frontera | 1,104.40 mi (1,777.36 km) |
| Harwich to Arenys de Mar | 717.81 mi (1,155.20 km) |
| Harwich to Arenys de Munt | 715.64 mi (1,151.71 km) |
