| Llantwit Major to Cicero (Illinois) | 3,828.52 mi (6,161.41 km) |
| Llantwit Major to Cimarron Hills (Colorado) | 4,607.30 mi (7,414.73 km) |
| Llantwit Major to Cincinnati (Ohio) | 3,823.21 mi (6,152.86 km) |
| Llantwit Major to Cinco Ranch (Texas) | 4,734.55 mi (7,619.53 km) |
| Llantwit Major to Circleville (Ohio) | 3,738.82 mi (6,017.05 km) |
| Llantwit Major to Citrus (California) | 5,320.35 mi (8,562.28 km) |
| Llantwit Major to Citrus Heights (California) | 5,171.16 mi (8,322.18 km) |
| Llantwit Major to Citrus Park (Florida) | 4,272.41 mi (6,875.78 km) |
| Llantwit Major to Claiborne (Louisiana) | 4,449.54 mi (7,160.84 km) |
| Llantwit Major to Claremont (California) | 5,314.00 mi (8,552.05 km) |
| Llantwit Major to Claremont (New Hampshire) | 3,147.06 mi (5,064.70 km) |
| Llantwit Major to Claremore (Oklahoma) | 4,396.48 mi (7,075.45 km) |
| Llantwit Major to Clarksburg (Maryland) | 3,524.68 mi (5,672.43 km) |
| Llantwit Major to Clarksburg (West Virginia) | 3,647.36 mi (5,869.87 km) |
| Llantwit Major to Clarksdale (Mississippi) | 4,302.03 mi (6,923.44 km) |
