| Chelmsford to Alenquer | 987.98 mi (1,590.00 km) |
| Chelmsford to Alfena | 840.61 mi (1,352.84 km) |
| Chelmsford to Alijo | 814.24 mi (1,310.40 km) |
| Chelmsford to Aljustrel | 1,042.51 mi (1,677.76 km) |
| Chelmsford to Almada | 1,014.39 mi (1,632.51 km) |
| Chelmsford to Almargem | 1,006.39 mi (1,619.63 km) |
| Chelmsford to Almeirim | 969.76 mi (1,560.67 km) |
| Chelmsford to Amadora | 1,012.72 mi (1,629.81 km) |
| Chelmsford to Amarante | 828.09 mi (1,332.68 km) |
| Chelmsford to Amares | 812.82 mi (1,308.11 km) |
| Chelmsford to Amora | 1,016.92 mi (1,636.58 km) |
| Chelmsford to Anadia | 888.26 mi (1,429.51 km) |
| Chelmsford to Angra do Heroismo | 1,607.69 mi (2,587.33 km) |
| Chelmsford to Ansiao | 920.58 mi (1,481.54 km) |
| Chelmsford to Anta | 857.17 mi (1,379.48 km) |
