| Kocaeli to Benavente | 2,040.38 mi (3,283.68 km) |
| Kocaeli to Bombarral | 2,053.03 mi (3,304.04 km) |
| Kocaeli to Bougado | 1,988.60 mi (3,200.33 km) |
| Kocaeli to Braga | 1,978.58 mi (3,184.22 km) |
| Kocaeli to Braganca | 1,891.06 mi (3,043.37 km) |
| Kocaeli to Cabeceiras de Basto | 1,958.36 mi (3,151.68 km) |
| Kocaeli to Cacem | 2,070.42 mi (3,332.01 km) |
| Kocaeli to Cadaval | 2,050.83 mi (3,300.49 km) |
| Kocaeli to Caldas da Rainha | 2,049.46 mi (3,298.29 km) |
| Kocaeli to Calheta | 2,632.86 mi (4,237.18 km) |
| Kocaeli to Camara de Lobos | 2,623.98 mi (4,222.88 km) |
| Kocaeli to Canico | 2,618.95 mi (4,214.79 km) |
| Kocaeli to Cantanhede | 2,005.44 mi (3,227.44 km) |
| Kocaeli to Carregal do Sal | 1,973.63 mi (3,176.25 km) |
| Kocaeli to Cartaxo | 2,036.06 mi (3,276.72 km) |
