| Pontneddfechan to Corinth (Mississippi) | 4,169.54 mi (6,710.23 km) |
| Pontneddfechan to Corinth (Texas) | 4,598.25 mi (7,400.16 km) |
| Pontneddfechan to Cornelius (North Carolina) | 3,833.52 mi (6,169.45 km) |
| Pontneddfechan to Cornelius (Oregon) | 4,815.48 mi (7,749.76 km) |
| Pontneddfechan to Corning (New York) | 3,377.44 mi (5,435.46 km) |
| Pontneddfechan to Corona (California) | 5,304.88 mi (8,537.37 km) |
| Pontneddfechan to Coronado (California) | 5,358.60 mi (8,623.83 km) |
| Pontneddfechan to Corpus Christi (Texas) | 4,890.51 mi (7,870.52 km) |
| Pontneddfechan to Corsicana (Texas) | 4,628.95 mi (7,449.57 km) |
| Pontneddfechan to Cortland (New York) | 3,322.83 mi (5,347.58 km) |
| Pontneddfechan to Corvallis (Oregon) | 4,875.58 mi (7,846.49 km) |
| Pontneddfechan to Coshocton (Ohio) | 3,652.66 mi (5,878.39 km) |
| Pontneddfechan to Costa Mesa (California) | 5,327.46 mi (8,573.72 km) |
| Pontneddfechan to Coto de Caza (California) | 5,320.53 mi (8,562.56 km) |
| Pontneddfechan to Cottage Grove (Minnesota) | 3,871.96 mi (6,231.32 km) |
