| Smolyan to Castelo Branco | 1,681.32 mi (2,705.83 km) |
| Smolyan to Castro Daire | 1,685.92 mi (2,713.23 km) |
| Smolyan to Celorico de Basto | 1,682.40 mi (2,707.56 km) |
| Smolyan to Chamusca | 1,740.33 mi (2,800.79 km) |
| Smolyan to Chaves | 1,650.87 mi (2,656.82 km) |
| Smolyan to Cinfaes | 1,693.17 mi (2,724.90 km) |
| Smolyan to Coimbra | 1,722.19 mi (2,771.60 km) |
| Smolyan to Condeixa-a-Nova | 1,727.41 mi (2,780.00 km) |
| Smolyan to Corroios | 1,789.24 mi (2,879.50 km) |
| Smolyan to Coruche | 1,750.18 mi (2,816.64 km) |
| Smolyan to Costa de Caparica | 1,792.99 mi (2,885.54 km) |
| Smolyan to Covilha | 1,673.42 mi (2,693.11 km) |
| Smolyan to Eiras | 1,721.40 mi (2,770.33 km) |
| Smolyan to Elvas | 1,681.05 mi (2,705.39 km) |
| Smolyan to Entroncamento | 1,737.39 mi (2,796.06 km) |
