| Hartford to Arcos de Valdevez | 3,227.64 mi (5,194.39 km) |
| Hartford to Arcozelo | 3,238.42 mi (5,211.74 km) |
| Hartford to Arganil | 3,289.79 mi (5,294.40 km) |
| Hartford to Arouca | 3,260.65 mi (5,247.51 km) |
| Hartford to Arruda dos Vinhos | 3,276.10 mi (5,272.37 km) |
| Hartford to Aveiro | 3,249.51 mi (5,229.58 km) |
| Hartford to Aver-o-Mar | 3,222.80 mi (5,186.60 km) |
| Hartford to Aves | 3,244.20 mi (5,221.04 km) |
| Hartford to Azambuja | 3,283.42 mi (5,284.15 km) |
| Hartford to Baiao | 3,264.37 mi (5,253.49 km) |
| Hartford to Barcelos | 3,227.04 mi (5,193.42 km) |
| Hartford to Barreiro | 3,285.33 mi (5,287.23 km) |
| Hartford to Batalha | 3,269.88 mi (5,262.37 km) |
| Hartford to Beja | 3,362.06 mi (5,410.71 km) |
| Hartford to Belas | 3,272.15 mi (5,266.01 km) |
