| Kocaeli to Arcos de Valdevez | 1,974.55 mi (3,177.74 km) |
| Kocaeli to Arcozelo | 1,996.76 mi (3,213.47 km) |
| Kocaeli to Arganil | 1,979.85 mi (3,186.26 km) |
| Kocaeli to Arouca | 1,978.46 mi (3,184.03 km) |
| Kocaeli to Arruda dos Vinhos | 2,053.83 mi (3,305.32 km) |
| Kocaeli to Aveiro | 2,003.72 mi (3,224.67 km) |
| Kocaeli to Aver-o-Mar | 1,998.31 mi (3,215.97 km) |
| Kocaeli to Aves | 1,974.01 mi (3,176.86 km) |
| Kocaeli to Azambuja | 2,041.93 mi (3,286.16 km) |
| Kocaeli to Baiao | 1,964.29 mi (3,161.22 km) |
| Kocaeli to Barcelos | 1,989.01 mi (3,201.01 km) |
| Kocaeli to Barreiro | 2,059.98 mi (3,315.22 km) |
| Kocaeli to Batalha | 2,027.82 mi (3,263.45 km) |
| Kocaeli to Beja | 2,011.45 mi (3,237.11 km) |
| Kocaeli to Belas | 2,068.43 mi (3,328.82 km) |
