| Pontneddfechan to Caguas (Puerto Rico) | 4,064.46 mi (6,541.12 km) |
| Pontneddfechan to Cahokia (Illinois) | 4,061.05 mi (6,535.62 km) |
| Pontneddfechan to Calabasas (California) | 5,325.88 mi (8,571.18 km) |
| Pontneddfechan to Caldwell (Idaho) | 4,732.81 mi (7,616.72 km) |
| Pontneddfechan to Caledonia (Wisconsin) | 3,774.81 mi (6,074.96 km) |
| Pontneddfechan to Calera (Alabama) | 4,186.82 mi (6,738.04 km) |
| Pontneddfechan to Calexico (California) | 5,300.74 mi (8,530.71 km) |
| Pontneddfechan to Calhoun (Georgia) | 4,046.75 mi (6,512.61 km) |
| Pontneddfechan to California (Maryland) | 3,522.76 mi (5,669.33 km) |
| Pontneddfechan to California City (California) | 5,242.18 mi (8,436.47 km) |
| Pontneddfechan to Callaway (Florida) | 4,285.53 mi (6,896.90 km) |
| Pontneddfechan to Calumet City (Illinois) | 3,816.21 mi (6,141.60 km) |
| Pontneddfechan to Calverton (Maryland) | 3,507.51 mi (5,644.79 km) |
| Pontneddfechan to Camano (Washington) | 4,649.54 mi (7,482.71 km) |
| Pontneddfechan to Camarillo (California) | 5,332.97 mi (8,582.58 km) |
