| Cayce to Arcos de Valdevez | 3,879.27 mi (6,243.08 km) |
| Cayce to Arcozelo | 3,885.07 mi (6,252.41 km) |
| Cayce to Arganil | 3,932.44 mi (6,328.65 km) |
| Cayce to Arouca | 3,907.24 mi (6,288.09 km) |
| Cayce to Arruda dos Vinhos | 3,909.10 mi (6,291.08 km) |
| Cayce to Aveiro | 3,893.60 mi (6,266.15 km) |
| Cayce to Aver-o-Mar | 3,871.29 mi (6,230.24 km) |
| Cayce to Aves | 3,893.67 mi (6,266.26 km) |
| Cayce to Azambuja | 3,917.36 mi (6,304.38 km) |
| Cayce to Baiao | 3,912.68 mi (6,296.85 km) |
| Cayce to Barcelos | 3,876.44 mi (6,238.53 km) |
| Cayce to Barreiro | 3,916.28 mi (6,302.64 km) |
| Cayce to Batalha | 3,907.65 mi (6,288.75 km) |
| Cayce to Beja | 3,991.40 mi (6,423.54 km) |
| Cayce to Belas | 3,903.38 mi (6,281.88 km) |
