| Hartford to Alenquer | 3,276.60 mi (5,273.18 km) |
| Hartford to Alfena | 3,238.92 mi (5,212.54 km) |
| Hartford to Alijo | 3,287.98 mi (5,291.50 km) |
| Hartford to Aljustrel | 3,351.71 mi (5,394.06 km) |
| Hartford to Almada | 3,280.46 mi (5,279.39 km) |
| Hartford to Almargem | 3,270.06 mi (5,262.65 km) |
| Hartford to Almeirim | 3,291.71 mi (5,297.50 km) |
| Hartford to Amadora | 3,275.24 mi (5,271.00 km) |
| Hartford to Amarante | 3,260.04 mi (5,246.52 km) |
| Hartford to Amares | 3,237.86 mi (5,210.83 km) |
| Hartford to Amora | 3,283.96 mi (5,285.02 km) |
| Hartford to Anadia | 3,265.48 mi (5,255.29 km) |
| Hartford to Angra do Heroismo | 2,380.76 mi (3,831.46 km) |
| Hartford to Ansiao | 3,280.03 mi (5,278.71 km) |
| Hartford to Anta | 3,240.43 mi (5,214.97 km) |
