| Gebze to Benavente | 2,014.96 mi (3,242.77 km) |
| Gebze to Bombarral | 2,027.64 mi (3,263.16 km) |
| Gebze to Bougado | 1,963.38 mi (3,159.76 km) |
| Gebze to Braga | 1,953.39 mi (3,143.68 km) |
| Gebze to Braganca | 1,865.87 mi (3,002.83 km) |
| Gebze to Cabeceiras de Basto | 1,933.16 mi (3,111.12 km) |
| Gebze to Cacem | 2,044.99 mi (3,291.10 km) |
| Gebze to Cadaval | 2,025.43 mi (3,259.62 km) |
| Gebze to Caldas da Rainha | 2,024.07 mi (3,257.43 km) |
| Gebze to Calheta | 2,607.43 mi (4,196.25 km) |
| Gebze to Camara de Lobos | 2,598.55 mi (4,181.95 km) |
| Gebze to Canico | 2,593.52 mi (4,173.86 km) |
| Gebze to Cantanhede | 1,980.11 mi (3,186.68 km) |
| Gebze to Carregal do Sal | 1,948.30 mi (3,135.49 km) |
| Gebze to Cartaxo | 2,010.65 mi (3,235.82 km) |
