| Gebze to Arcos de Valdevez | 1,949.41 mi (3,137.27 km) |
| Gebze to Arcozelo | 1,971.51 mi (3,172.84 km) |
| Gebze to Arganil | 1,954.51 mi (3,145.48 km) |
| Gebze to Arouca | 1,953.19 mi (3,143.36 km) |
| Gebze to Arruda dos Vinhos | 2,028.42 mi (3,264.42 km) |
| Gebze to Aveiro | 1,978.42 mi (3,183.97 km) |
| Gebze to Aver-o-Mar | 1,973.11 mi (3,175.41 km) |
| Gebze to Aves | 1,948.80 mi (3,136.29 km) |
| Gebze to Azambuja | 2,016.51 mi (3,245.26 km) |
| Gebze to Baiao | 1,939.05 mi (3,120.59 km) |
| Gebze to Barcelos | 1,963.82 mi (3,160.47 km) |
| Gebze to Barreiro | 2,034.55 mi (3,274.29 km) |
| Gebze to Batalha | 2,002.44 mi (3,222.61 km) |
| Gebze to Beja | 1,985.99 mi (3,196.14 km) |
| Gebze to Belas | 2,043.01 mi (3,287.91 km) |
