| Ciechanow to Bombarral | 1,690.39 mi (2,720.42 km) |
| Ciechanow to Bougado | 1,571.35 mi (2,528.85 km) |
| Ciechanow to Braga | 1,556.34 mi (2,504.68 km) |
| Ciechanow to Braganca | 1,479.48 mi (2,380.99 km) |
| Ciechanow to Cabeceiras de Basto | 1,541.16 mi (2,480.26 km) |
| Ciechanow to Cacem | 1,720.16 mi (2,768.33 km) |
| Ciechanow to Cadaval | 1,689.91 mi (2,719.64 km) |
| Ciechanow to Caldas da Rainha | 1,683.02 mi (2,708.56 km) |
| Ciechanow to Calheta | 2,326.09 mi (3,743.48 km) |
| Ciechanow to Camara de Lobos | 2,320.38 mi (3,734.30 km) |
| Ciechanow to Canico | 2,318.23 mi (3,730.84 km) |
| Ciechanow to Cantanhede | 1,617.88 mi (2,603.73 km) |
| Ciechanow to Carregal do Sal | 1,590.68 mi (2,559.95 km) |
| Ciechanow to Cartaxo | 1,681.66 mi (2,706.37 km) |
| Ciechanow to Cascais | 1,727.75 mi (2,780.54 km) |
