| Porthcawl to Crest Hill (Illinois) | 3,844.06 mi (6,186.42 km) |
| Porthcawl to Crestview (Florida) | 4,298.14 mi (6,917.18 km) |
| Porthcawl to Crestwood (Illinois) | 3,826.26 mi (6,157.76 km) |
| Porthcawl to Crestwood (Missouri) | 4,073.03 mi (6,554.90 km) |
| Porthcawl to Creve Coeur (Missouri) | 4,070.57 mi (6,550.94 km) |
| Porthcawl to Crofton (Maryland) | 3,499.42 mi (5,631.77 km) |
| Porthcawl to Crossville (Tennessee) | 3,982.39 mi (6,409.04 km) |
| Porthcawl to Crowley (Louisiana) | 4,562.86 mi (7,343.21 km) |
| Porthcawl to Crowley (Texas) | 4,642.28 mi (7,471.03 km) |
| Porthcawl to Crown Point (Indiana) | 3,821.43 mi (6,149.99 km) |
| Porthcawl to Crystal (Minnesota) | 3,883.82 mi (6,250.40 km) |
| Porthcawl to Crystal Lake (Illinois) | 3,822.60 mi (6,151.87 km) |
| Porthcawl to Cudahy (California) | 5,328.35 mi (8,575.14 km) |
| Porthcawl to Cudahy (Wisconsin) | 3,772.25 mi (6,070.86 km) |
| Porthcawl to Cullman (Alabama) | 4,141.21 mi (6,664.63 km) |
