| Pontneddfechan to Carlsbad (New Mexico) | 4,911.20 mi (7,903.81 km) |
| Pontneddfechan to Carmel (Indiana) | 3,837.06 mi (6,175.15 km) |
| Pontneddfechan to Carmichael (California) | 5,155.61 mi (8,297.15 km) |
| Pontneddfechan to Carney (Maryland) | 3,474.66 mi (5,591.93 km) |
| Pontneddfechan to Carnot-Moon (Pennsylvania) | 3,575.70 mi (5,754.53 km) |
| Pontneddfechan to Carol Stream (Illinois) | 3,824.67 mi (6,155.21 km) |
| Pontneddfechan to Carolina (Puerto Rico) | 4,052.76 mi (6,522.28 km) |
| Pontneddfechan to Carolina Forest (South Carolina) | 3,832.45 mi (6,167.74 km) |
| Pontneddfechan to Carpentersville (Illinois) | 3,821.42 mi (6,149.98 km) |
| Pontneddfechan to Carpinteria (California) | 5,338.81 mi (8,591.99 km) |
| Pontneddfechan to Carrboro (North Carolina) | 3,738.22 mi (6,016.08 km) |
| Pontneddfechan to Carroll (Iowa) | 4,072.10 mi (6,553.41 km) |
| Pontneddfechan to Carrollton (Georgia) | 4,096.63 mi (6,592.89 km) |
| Pontneddfechan to Carrollton (Texas) | 4,599.57 mi (7,402.29 km) |
| Pontneddfechan to Carrollwood (Florida) | 4,261.99 mi (6,859.01 km) |
