| Penafiel to Culpeper (Virginia) | 3,601.05 mi (5,795.33 km) |
| Penafiel to Culver City (California) | 5,606.44 mi (9,022.69 km) |
| Penafiel to Cumberland (Maryland) | 3,601.31 mi (5,795.75 km) |
| Penafiel to Cupertino (California) | 5,589.24 mi (8,995.01 km) |
| Penafiel to Cutler Bay (Florida) | 4,175.13 mi (6,719.22 km) |
| Penafiel to Cutlerville (Michigan) | 3,825.22 mi (6,156.09 km) |
| Penafiel to Cuyahoga Falls (Ohio) | 3,685.91 mi (5,931.90 km) |
| Penafiel to Cypress (California) | 5,600.84 mi (9,013.68 km) |
| Penafiel to Cypress Gardens (Florida) | 4,149.88 mi (6,678.59 km) |
| Penafiel to Cypress Lake (Florida) | 4,217.45 mi (6,787.33 km) |
| Penafiel to D'Iberville (Mississippi) | 4,415.77 mi (7,106.50 km) |
| Penafiel to Dakota Ridge (Colorado) | 4,798.80 mi (7,722.93 km) |
| Penafiel to Dale City (Virginia) | 3,563.96 mi (5,735.64 km) |
| Penafiel to Dallas (Georgia) | 4,087.25 mi (6,577.79 km) |
| Penafiel to Dallas (Oregon) | 5,259.71 mi (8,464.69 km) |
