| Kouvola to Castelo Branco | 2,052.45 mi (3,303.10 km) |
| Kouvola to Castro Daire | 2,003.33 mi (3,224.04 km) |
| Kouvola to Celorico de Basto | 1,977.99 mi (3,183.27 km) |
| Kouvola to Chamusca | 2,108.25 mi (3,392.91 km) |
| Kouvola to Chaves | 1,942.04 mi (3,125.41 km) |
| Kouvola to Cinfaes | 1,997.98 mi (3,215.43 km) |
| Kouvola to Coimbra | 2,057.29 mi (3,310.89 km) |
| Kouvola to Condeixa-a-Nova | 2,064.78 mi (3,322.95 km) |
| Kouvola to Corroios | 2,170.40 mi (3,492.92 km) |
| Kouvola to Coruche | 2,132.22 mi (3,431.48 km) |
| Kouvola to Costa de Caparica | 2,171.18 mi (3,494.17 km) |
| Kouvola to Covilha | 2,025.64 mi (3,259.96 km) |
| Kouvola to Eiras | 2,055.37 mi (3,307.79 km) |
| Kouvola to Elvas | 2,097.33 mi (3,375.32 km) |
| Kouvola to Entroncamento | 2,101.17 mi (3,381.50 km) |
