| Pontneddfechan to Centralia (Illinois) | 4,021.74 mi (6,472.36 km) |
| Pontneddfechan to Centralia (Washington) | 4,745.30 mi (7,636.83 km) |
| Pontneddfechan to Centreville (Virginia) | 3,537.39 mi (5,692.87 km) |
| Pontneddfechan to Ceres (California) | 5,203.29 mi (8,373.88 km) |
| Pontneddfechan to Cerritos (California) | 5,321.28 mi (8,563.77 km) |
| Pontneddfechan to Chalco (Nebraska) | 4,161.93 mi (6,697.99 km) |
| Pontneddfechan to Chalmette (Louisiana) | 4,476.70 mi (7,204.55 km) |
| Pontneddfechan to Chambersburg (Pennsylvania) | 3,497.78 mi (5,629.13 km) |
| Pontneddfechan to Chamblee (Georgia) | 4,049.88 mi (6,517.65 km) |
| Pontneddfechan to Champaign (Illinois) | 3,913.57 mi (6,298.28 km) |
| Pontneddfechan to Champlin (Minnesota) | 3,872.55 mi (6,232.27 km) |
| Pontneddfechan to Chandler (Arizona) | 5,140.98 mi (8,273.60 km) |
| Pontneddfechan to Chanhassen (Minnesota) | 3,893.35 mi (6,265.74 km) |
| Pontneddfechan to Channahon (Illinois) | 3,852.47 mi (6,199.96 km) |
| Pontneddfechan to Channelview (Texas) | 4,692.83 mi (7,552.39 km) |
