| Constanta to Arcos de Valdevez | 1,863.04 mi (2,998.27 km) |
| Constanta to Arcozelo | 1,891.13 mi (3,043.47 km) |
| Constanta to Arganil | 1,881.87 mi (3,028.58 km) |
| Constanta to Arouca | 1,874.45 mi (3,016.64 km) |
| Constanta to Arruda dos Vinhos | 1,963.50 mi (3,159.94 km) |
| Constanta to Aveiro | 1,901.38 mi (3,059.97 km) |
| Constanta to Aver-o-Mar | 1,889.74 mi (3,041.24 km) |
| Constanta to Aves | 1,865.89 mi (3,002.87 km) |
| Constanta to Azambuja | 1,951.37 mi (3,140.42 km) |
| Constanta to Baiao | 1,858.78 mi (2,991.42 km) |
| Constanta to Barcelos | 1,879.80 mi (3,025.24 km) |
| Constanta to Barreiro | 1,972.07 mi (3,173.75 km) |
| Constanta to Batalha | 1,932.87 mi (3,110.65 km) |
| Constanta to Beja | 1,931.15 mi (3,107.88 km) |
| Constanta to Belas | 1,979.25 mi (3,185.30 km) |
