| Pontneddfechan to Crest Hill (Illinois) | 3,839.82 mi (6,179.59 km) |
| Pontneddfechan to Crestview (Florida) | 4,297.32 mi (6,915.87 km) |
| Pontneddfechan to Crestwood (Illinois) | 3,822.07 mi (6,151.02 km) |
| Pontneddfechan to Crestwood (Missouri) | 4,069.20 mi (6,548.74 km) |
| Pontneddfechan to Creve Coeur (Missouri) | 4,066.70 mi (6,544.71 km) |
| Pontneddfechan to Crofton (Maryland) | 3,498.39 mi (5,630.11 km) |
| Pontneddfechan to Crossville (Tennessee) | 3,980.47 mi (6,405.95 km) |
| Pontneddfechan to Crowley (Louisiana) | 4,560.81 mi (7,339.91 km) |
| Pontneddfechan to Crowley (Texas) | 4,638.50 mi (7,464.94 km) |
| Pontneddfechan to Crown Point (Indiana) | 3,817.39 mi (6,143.49 km) |
| Pontneddfechan to Crystal (Minnesota) | 3,877.54 mi (6,240.31 km) |
| Pontneddfechan to Crystal Lake (Illinois) | 3,818.11 mi (6,144.65 km) |
| Pontneddfechan to Cudahy (California) | 5,319.69 mi (8,561.22 km) |
| Pontneddfechan to Cudahy (Wisconsin) | 3,767.64 mi (6,063.43 km) |
| Pontneddfechan to Cullman (Alabama) | 4,139.39 mi (6,661.70 km) |
