| Silver Spring to Benavente | 3,571.17 mi (5,747.25 km) |
| Silver Spring to Bombarral | 3,545.52 mi (5,705.96 km) |
| Silver Spring to Bougado | 3,520.83 mi (5,666.23 km) |
| Silver Spring to Braga | 3,522.16 mi (5,668.36 km) |
| Silver Spring to Braganca | 3,595.31 mi (5,786.09 km) |
| Silver Spring to Cabeceiras de Basto | 3,542.00 mi (5,700.29 km) |
| Silver Spring to Cacem | 3,551.35 mi (5,715.34 km) |
| Silver Spring to Cadaval | 3,549.18 mi (5,711.85 km) |
| Silver Spring to Caldas da Rainha | 3,542.77 mi (5,701.54 km) |
| Silver Spring to Calheta | 3,319.53 mi (5,342.27 km) |
| Silver Spring to Camara de Lobos | 3,330.30 mi (5,359.59 km) |
| Silver Spring to Canico | 3,338.61 mi (5,372.97 km) |
| Silver Spring to Cantanhede | 3,544.58 mi (5,704.44 km) |
| Silver Spring to Carregal do Sal | 3,571.23 mi (5,747.33 km) |
| Silver Spring to Cartaxo | 3,567.04 mi (5,740.59 km) |
