| Mastic Beach to Alenquer | 3,307.19 mi (5,322.41 km) |
| Mastic Beach to Alfena | 3,272.67 mi (5,266.85 km) |
| Mastic Beach to Alijo | 3,322.22 mi (5,346.60 km) |
| Mastic Beach to Aljustrel | 3,381.21 mi (5,441.52 km) |
| Mastic Beach to Almada | 3,310.49 mi (5,327.71 km) |
| Mastic Beach to Almargem | 3,300.26 mi (5,311.25 km) |
| Mastic Beach to Almeirim | 3,322.70 mi (5,347.36 km) |
| Mastic Beach to Amadora | 3,305.31 mi (5,319.38 km) |
| Mastic Beach to Amarante | 3,294.02 mi (5,301.21 km) |
| Mastic Beach to Amares | 3,272.19 mi (5,266.08 km) |
| Mastic Beach to Amora | 3,313.94 mi (5,333.26 km) |
| Mastic Beach to Anadia | 3,298.20 mi (5,307.94 km) |
| Mastic Beach to Angra do Heroismo | 2,401.81 mi (3,865.34 km) |
| Mastic Beach to Ansiao | 3,312.06 mi (5,330.24 km) |
| Mastic Beach to Anta | 3,273.83 mi (5,268.72 km) |
