| Cayey to Arcos de Valdevez | 3,743.22 mi (6,024.14 km) |
| Cayey to Arcozelo | 3,724.87 mi (5,994.59 km) |
| Cayey to Arganil | 3,748.66 mi (6,032.88 km) |
| Cayey to Arouca | 3,744.27 mi (6,025.82 km) |
| Cayey to Arruda dos Vinhos | 3,686.06 mi (5,932.14 km) |
| Cayey to Aveiro | 3,720.76 mi (5,987.99 km) |
| Cayey to Aver-o-Mar | 3,721.26 mi (5,988.80 km) |
| Cayey to Aves | 3,745.68 mi (6,028.09 km) |
| Cayey to Azambuja | 3,697.33 mi (5,950.28 km) |
| Cayey to Baiao | 3,757.12 mi (6,046.51 km) |
| Cayey to Barcelos | 3,730.10 mi (6,003.01 km) |
| Cayey to Barreiro | 3,683.84 mi (5,928.57 km) |
| Cayey to Batalha | 3,705.13 mi (5,962.83 km) |
| Cayey to Beja | 3,743.83 mi (6,025.12 km) |
| Cayey to Belas | 3,673.61 mi (5,912.11 km) |
