| Central Islip to Arcos de Valdevez | 3,278.89 mi (5,276.87 km) |
| Central Islip to Arcozelo | 3,288.68 mi (5,292.62 km) |
| Central Islip to Arganil | 3,339.30 mi (5,374.08 km) |
| Central Islip to Arouca | 3,310.91 mi (5,328.40 km) |
| Central Islip to Arruda dos Vinhos | 3,323.76 mi (5,349.08 km) |
| Central Islip to Aveiro | 3,299.27 mi (5,309.67 km) |
| Central Islip to Aver-o-Mar | 3,273.42 mi (5,268.06 km) |
| Central Islip to Aves | 3,295.03 mi (5,302.84 km) |
| Central Islip to Azambuja | 3,331.27 mi (5,361.15 km) |
| Central Islip to Baiao | 3,314.97 mi (5,334.94 km) |
| Central Islip to Barcelos | 3,277.84 mi (5,275.18 km) |
| Central Islip to Barreiro | 3,332.62 mi (5,363.33 km) |
| Central Islip to Batalha | 3,318.44 mi (5,340.51 km) |
| Central Islip to Beja | 3,409.11 mi (5,486.43 km) |
| Central Islip to Belas | 3,319.48 mi (5,342.18 km) |
