| Harwich to Alenquer | 1,017.77 mi (1,637.94 km) |
| Harwich to Alfena | 871.38 mi (1,402.35 km) |
| Harwich to Alijo | 843.85 mi (1,358.05 km) |
| Harwich to Aljustrel | 1,070.72 mi (1,723.16 km) |
| Harwich to Almada | 1,044.11 mi (1,680.33 km) |
| Harwich to Almargem | 1,036.32 mi (1,667.79 km) |
| Harwich to Almeirim | 999.22 mi (1,608.09 km) |
| Harwich to Amadora | 1,042.54 mi (1,677.80 km) |
| Harwich to Amarante | 858.38 mi (1,381.43 km) |
| Harwich to Amares | 843.67 mi (1,357.76 km) |
| Harwich to Amora | 1,046.56 mi (1,684.28 km) |
| Harwich to Anadia | 918.34 mi (1,477.93 km) |
| Harwich to Angra do Heroismo | 1,644.09 mi (2,645.91 km) |
| Harwich to Ansiao | 950.32 mi (1,529.39 km) |
| Harwich to Anta | 887.87 mi (1,428.88 km) |
