| Penafiel to Centralia (Illinois) | 4,127.27 mi (6,642.20 km) |
| Penafiel to Centralia (Washington) | 5,159.89 mi (8,304.05 km) |
| Penafiel to Centreville (Virginia) | 3,562.61 mi (5,733.46 km) |
| Penafiel to Ceres (California) | 5,533.82 mi (8,905.82 km) |
| Penafiel to Cerritos (California) | 5,599.63 mi (9,011.73 km) |
| Penafiel to Chalco (Nebraska) | 4,348.41 mi (6,998.09 km) |
| Penafiel to Chalmette (Louisiana) | 4,488.80 mi (7,224.03 km) |
| Penafiel to Chambersburg (Pennsylvania) | 3,540.17 mi (5,697.36 km) |
| Penafiel to Chamblee (Georgia) | 4,061.91 mi (6,537.01 km) |
| Penafiel to Champaign (Illinois) | 4,032.82 mi (6,490.19 km) |
| Penafiel to Champlin (Minnesota) | 4,088.45 mi (6,579.73 km) |
| Penafiel to Chandler (Arizona) | 5,364.75 mi (8,633.73 km) |
| Penafiel to Chanhassen (Minnesota) | 4,106.45 mi (6,608.69 km) |
| Penafiel to Channahon (Illinois) | 3,988.19 mi (6,418.37 km) |
| Penafiel to Channelview (Texas) | 4,746.05 mi (7,638.04 km) |
