| Merriam to Cascais | 4,399.06 mi (7,079.60 km) |
| Merriam to Castelo Branco | 4,448.41 mi (7,159.03 km) |
| Merriam to Castro Daire | 4,390.96 mi (7,066.57 km) |
| Merriam to Celorico de Basto | 4,371.34 mi (7,034.99 km) |
| Merriam to Chamusca | 4,419.66 mi (7,112.75 km) |
| Merriam to Chaves | 4,382.80 mi (7,053.44 km) |
| Merriam to Cinfaes | 4,375.04 mi (7,040.94 km) |
| Merriam to Coimbra | 4,392.21 mi (7,068.58 km) |
| Merriam to Condeixa-a-Nova | 4,392.24 mi (7,068.63 km) |
| Merriam to Corroios | 4,414.42 mi (7,104.32 km) |
| Merriam to Coruche | 4,431.40 mi (7,131.65 km) |
| Merriam to Costa de Caparica | 4,409.43 mi (7,096.28 km) |
| Merriam to Covilha | 4,432.04 mi (7,132.68 km) |
| Merriam to Eiras | 4,391.38 mi (7,067.24 km) |
| Merriam to Elvas | 4,498.16 mi (7,239.09 km) |
