| Povoa de Santa Iria to Crest Hill (Illinois) | 4,020.70 mi (6,470.69 km) |
| Povoa de Santa Iria to Crestview (Florida) | 4,301.48 mi (6,922.56 km) |
| Povoa de Santa Iria to Crestwood (Illinois) | 4,001.16 mi (6,439.25 km) |
| Povoa de Santa Iria to Crestwood (Missouri) | 4,222.48 mi (6,795.43 km) |
| Povoa de Santa Iria to Creve Coeur (Missouri) | 4,222.09 mi (6,794.80 km) |
| Povoa de Santa Iria to Crofton (Maryland) | 3,543.53 mi (5,702.76 km) |
| Povoa de Santa Iria to Crossville (Tennessee) | 4,047.54 mi (6,513.89 km) |
| Povoa de Santa Iria to Crowley (Louisiana) | 4,614.26 mi (7,425.93 km) |
| Povoa de Santa Iria to Crowley (Texas) | 4,771.40 mi (7,678.83 km) |
| Povoa de Santa Iria to Crown Point (Indiana) | 3,989.71 mi (6,420.82 km) |
| Povoa de Santa Iria to Crystal (Minnesota) | 4,151.54 mi (6,681.26 km) |
| Povoa de Santa Iria to Crystal Lake (Illinois) | 4,011.16 mi (6,455.33 km) |
| Povoa de Santa Iria to Cudahy (California) | 5,666.12 mi (9,118.74 km) |
| Povoa de Santa Iria to Cudahy (Wisconsin) | 3,968.42 mi (6,386.56 km) |
| Povoa de Santa Iria to Cullman (Alabama) | 4,196.08 mi (6,752.93 km) |
