| Siniscola to Alfena | 950.88 mi (1,530.30 km) |
| Siniscola to Alijo | 896.27 mi (1,442.40 km) |
| Siniscola to Aljustrel | 971.52 mi (1,563.51 km) |
| Siniscola to Almada | 1,009.89 mi (1,625.27 km) |
| Siniscola to Almargem | 1,013.21 mi (1,630.61 km) |
| Siniscola to Almeirim | 973.74 mi (1,567.08 km) |
| Siniscola to Amadora | 1,012.99 mi (1,630.24 km) |
| Siniscola to Amarante | 926.99 mi (1,491.85 km) |
| Siniscola to Amares | 939.84 mi (1,512.52 km) |
| Siniscola to Amora | 1,008.70 mi (1,623.34 km) |
| Siniscola to Anadia | 950.82 mi (1,530.20 km) |
| Siniscola to Angra do Heroismo | 1,954.74 mi (3,145.84 km) |
| Siniscola to Ansiao | 955.51 mi (1,537.74 km) |
| Siniscola to Anta | 957.11 mi (1,540.31 km) |
| Siniscola to Arcos de Valdevez | 943.91 mi (1,519.08 km) |
