| Chelmsford to Arcos de Valdevez | 800.85 mi (1,288.84 km) |
| Chelmsford to Arcozelo | 854.55 mi (1,375.27 km) |
| Chelmsford to Arganil | 893.34 mi (1,437.68 km) |
| Chelmsford to Arouca | 852.83 mi (1,372.49 km) |
| Chelmsford to Arruda dos Vinhos | 993.29 mi (1,598.54 km) |
| Chelmsford to Aveiro | 880.82 mi (1,417.55 km) |
| Chelmsford to Aver-o-Mar | 836.40 mi (1,346.05 km) |
| Chelmsford to Aves | 822.86 mi (1,324.26 km) |
| Chelmsford to Azambuja | 983.62 mi (1,582.98 km) |
| Chelmsford to Baiao | 833.53 mi (1,341.43 km) |
| Chelmsford to Barcelos | 825.80 mi (1,328.99 km) |
| Chelmsford to Barreiro | 1,013.24 mi (1,630.65 km) |
| Chelmsford to Batalha | 945.48 mi (1,521.60 km) |
| Chelmsford to Beja | 1,029.51 mi (1,656.83 km) |
| Chelmsford to Belas | 1,010.93 mi (1,626.93 km) |
