| Llantwit Major to Caño Martin Peña (Puerto Rico) | 4,055.05 mi (6,525.98 km) |
| Llantwit Major to Cañon City (Colorado) | 4,647.49 mi (7,479.41 km) |
| Llantwit Major to Canóvanas (Puerto Rico) | 4,051.93 mi (6,520.96 km) |
| Llantwit Major to Canton (Georgia) | 4,051.80 mi (6,520.74 km) |
| Llantwit Major to Canton (Illinois) | 3,975.95 mi (6,398.67 km) |
| Llantwit Major to Canton (Mississippi) | 4,358.91 mi (7,014.99 km) |
| Llantwit Major to Canton (Ohio) | 3,622.12 mi (5,829.24 km) |
| Llantwit Major to Canyon (Texas) | 4,704.52 mi (7,571.20 km) |
| Llantwit Major to Canyon Lake (California) | 5,323.31 mi (8,567.05 km) |
| Llantwit Major to Canyon Lake (Texas) | 4,827.35 mi (7,768.87 km) |
| Llantwit Major to Cape Coral (Florida) | 4,319.60 mi (6,951.73 km) |
| Llantwit Major to Cape Girardeau (Missouri) | 4,110.64 mi (6,615.43 km) |
| Llantwit Major to Carbondale (Illinois) | 4,077.71 mi (6,562.43 km) |
| Llantwit Major to Carlisle (Pennsylvania) | 3,479.45 mi (5,599.63 km) |
| Llantwit Major to Carlsbad (California) | 5,355.63 mi (8,619.05 km) |
