| Constanta to Amorebieta | 1,558.90 mi (2,508.80 km) |
| Constanta to Amposta | 1,442.97 mi (2,322.24 km) |
| Constanta to Amurrio | 1,574.69 mi (2,534.22 km) |
| Constanta to Andoain | 1,523.77 mi (2,452.27 km) |
| Constanta to Andraitx | 1,379.12 mi (2,219.48 km) |
| Constanta to Andujar | 1,741.09 mi (2,802.01 km) |
| Constanta to Antequera | 1,796.60 mi (2,891.35 km) |
| Constanta to Antigua | 2,576.21 mi (4,146.01 km) |
| Constanta to Aranda de Duero | 1,633.37 mi (2,628.66 km) |
| Constanta to Aranjuez | 1,666.07 mi (2,681.27 km) |
| Constanta to Archena | 1,602.83 mi (2,579.51 km) |
| Constanta to Arcos de la Frontera | 1,866.20 mi (3,003.36 km) |
| Constanta to Arenys de Mar | 1,327.05 mi (2,135.68 km) |
| Constanta to Arenys de Munt | 1,326.94 mi (2,135.50 km) |
| Constanta to Argentona | 1,334.88 mi (2,148.29 km) |
