| East Islip to Arcos de Valdevez | 3,280.15 mi (5,278.89 km) |
| East Islip to Arcozelo | 3,289.86 mi (5,294.52 km) |
| East Islip to Arganil | 3,340.43 mi (5,375.90 km) |
| East Islip to Arouca | 3,312.09 mi (5,330.30 km) |
| East Islip to Arruda dos Vinhos | 3,324.76 mi (5,350.68 km) |
| East Islip to Aveiro | 3,300.42 mi (5,311.51 km) |
| East Islip to Aver-o-Mar | 3,274.63 mi (5,270.00 km) |
| East Islip to Aves | 3,296.25 mi (5,304.81 km) |
| East Islip to Azambuja | 3,332.27 mi (5,362.78 km) |
| East Islip to Baiao | 3,316.18 mi (5,336.88 km) |
| East Islip to Barcelos | 3,279.06 mi (5,277.14 km) |
| East Islip to Barreiro | 3,333.59 mi (5,364.89 km) |
| East Islip to Batalha | 3,319.50 mi (5,342.22 km) |
| East Islip to Beja | 3,410.06 mi (5,487.97 km) |
| East Islip to Belas | 3,320.45 mi (5,343.75 km) |
