| Penafiel to Caguas (Puerto Rico) | 3,733.11 mi (6,007.85 km) |
| Penafiel to Cahokia (Illinois) | 4,174.74 mi (6,718.59 km) |
| Penafiel to Calabasas (California) | 5,611.19 mi (9,030.34 km) |
| Penafiel to Caldwell (Idaho) | 5,082.33 mi (8,179.22 km) |
| Penafiel to Caledonia (Wisconsin) | 3,925.70 mi (6,317.81 km) |
| Penafiel to Calera (Alabama) | 4,209.14 mi (6,773.95 km) |
| Penafiel to Calexico (California) | 5,548.59 mi (8,929.59 km) |
| Penafiel to Calhoun (Georgia) | 4,071.25 mi (6,552.04 km) |
| Penafiel to California (Maryland) | 3,533.37 mi (5,686.41 km) |
| Penafiel to California City (California) | 5,529.57 mi (8,898.98 km) |
| Penafiel to Callaway (Florida) | 4,263.12 mi (6,860.83 km) |
| Penafiel to Calumet City (Illinois) | 3,949.60 mi (6,356.27 km) |
| Penafiel to Calverton (Maryland) | 3,532.31 mi (5,684.71 km) |
| Penafiel to Camano (Washington) | 5,072.30 mi (8,163.08 km) |
| Penafiel to Camarillo (California) | 5,621.84 mi (9,047.48 km) |
