| Penafiel to Castle Rock (Colorado) | 4,796.97 mi (7,719.97 km) |
| Penafiel to Castro Valley (California) | 5,570.44 mi (8,964.76 km) |
| Penafiel to Catalina Foothills (Arizona) | 5,367.28 mi (8,637.80 km) |
| Penafiel to Cataño (Puerto Rico) | 3,729.77 mi (6,002.49 km) |
| Penafiel to Cathedral City (California) | 5,534.75 mi (8,907.32 km) |
| Penafiel to Catonsville (Maryland) | 3,516.15 mi (5,658.70 km) |
| Penafiel to Cave Spring (Virginia) | 3,737.84 mi (6,015.47 km) |
| Penafiel to Cayce (South Carolina) | 3,899.45 mi (6,275.55 km) |
| Penafiel to Cayey (Puerto Rico) | 3,744.51 mi (6,026.20 km) |
| Penafiel to Cedar City (Utah) | 5,216.08 mi (8,394.47 km) |
| Penafiel to Cedar Falls (Iowa) | 4,138.50 mi (6,660.27 km) |
| Penafiel to Cedar Hill (Texas) | 4,720.55 mi (7,597.00 km) |
| Penafiel to Cedar Lake (Indiana) | 3,952.54 mi (6,361.00 km) |
| Penafiel to Cedar Mill (Oregon) | 5,212.07 mi (8,388.02 km) |
| Penafiel to Cedar Park (Texas) | 4,846.27 mi (7,799.32 km) |
