| Merriam to Benavente | 4,418.41 mi (7,110.75 km) |
| Merriam to Bombarral | 4,391.47 mi (7,067.38 km) |
| Merriam to Bougado | 4,347.71 mi (6,996.96 km) |
| Merriam to Braga | 4,346.73 mi (6,995.39 km) |
| Merriam to Braganca | 4,412.33 mi (7,100.95 km) |
| Merriam to Cabeceiras de Basto | 4,365.45 mi (7,025.52 km) |
| Merriam to Cacem | 4,401.67 mi (7,083.80 km) |
| Merriam to Cadaval | 4,395.23 mi (7,073.45 km) |
| Merriam to Caldas da Rainha | 4,387.55 mi (7,061.08 km) |
| Merriam to Calheta | 4,229.56 mi (6,806.82 km) |
| Merriam to Camara de Lobos | 4,240.06 mi (6,823.72 km) |
| Merriam to Canico | 4,248.36 mi (6,837.07 km) |
| Merriam to Cantanhede | 4,380.02 mi (7,048.96 km) |
| Merriam to Carregal do Sal | 4,404.08 mi (7,087.68 km) |
| Merriam to Cartaxo | 4,412.78 mi (7,101.69 km) |
