| Penafiel to Corinth (Mississippi) | 4,227.39 mi (6,803.32 km) |
| Penafiel to Corinth (Texas) | 4,702.90 mi (7,568.59 km) |
| Penafiel to Cornelius (North Carolina) | 3,838.83 mi (6,178.00 km) |
| Penafiel to Cornelius (Oregon) | 5,221.45 mi (8,403.11 km) |
| Penafiel to Corning (New York) | 3,448.26 mi (5,549.43 km) |
| Penafiel to Corona (California) | 5,579.17 mi (8,978.81 km) |
| Penafiel to Coronado (California) | 5,619.75 mi (9,044.11 km) |
| Penafiel to Corpus Christi (Texas) | 4,941.33 mi (7,952.30 km) |
| Penafiel to Corsicana (Texas) | 4,717.51 mi (7,592.09 km) |
| Penafiel to Cortland (New York) | 3,394.74 mi (5,463.31 km) |
| Penafiel to Corvallis (Oregon) | 5,275.84 mi (8,490.65 km) |
| Penafiel to Coshocton (Ohio) | 3,729.05 mi (6,001.32 km) |
| Penafiel to Costa Mesa (California) | 5,602.93 mi (9,017.04 km) |
| Penafiel to Coto de Caza (California) | 5,592.80 mi (9,000.74 km) |
| Penafiel to Cottage Grove (Minnesota) | 4,080.63 mi (6,567.14 km) |
