| Cabeceiras de Basto to Cloverly (Maryland) | 3,537.80 mi (5,693.54 km) |
| Cabeceiras de Basto to Clovis (California) | 5,517.11 mi (8,878.93 km) |
| Cabeceiras de Basto to Clovis (New Mexico) | 4,931.96 mi (7,937.23 km) |
| Cabeceiras de Basto to Clute (Texas) | 4,795.99 mi (7,718.39 km) |
| Cabeceiras de Basto to Coachella (California) | 5,525.95 mi (8,893.15 km) |
| Cabeceiras de Basto to Coalinga (California) | 5,575.83 mi (8,973.44 km) |
| Cabeceiras de Basto to Coamo (Puerto Rico) | 3,773.00 mi (6,072.06 km) |
| Cabeceiras de Basto to Coatesville (Pennsylvania) | 3,454.83 mi (5,560.01 km) |
| Cabeceiras de Basto to Cockeysville (Maryland) | 3,508.67 mi (5,646.65 km) |
| Cabeceiras de Basto to Cocoa (Florida) | 4,097.56 mi (6,594.38 km) |
| Cabeceiras de Basto to Cocoa Beach (Florida) | 4,092.37 mi (6,586.03 km) |
| Cabeceiras de Basto to Coconut Creek (Florida) | 4,149.62 mi (6,678.16 km) |
| Cabeceiras de Basto to Coeur d'Alene (Idaho) | 4,894.20 mi (7,876.45 km) |
| Cabeceiras de Basto to Cohoes (New York) | 3,277.15 mi (5,274.07 km) |
| Cabeceiras de Basto to Cold Springs (Nevada) | 5,388.67 mi (8,672.23 km) |
