| Llantwit Major to Kenosha (Wisconsin) | 3,799.53 mi (6,114.75 km) |
| Llantwit Major to Kent (Ohio) | 3,606.84 mi (5,804.64 km) |
| Llantwit Major to Kent (Washington) | 4,708.76 mi (7,578.01 km) |
| Llantwit Major to Kentwood (Michigan) | 3,697.70 mi (5,950.87 km) |
| Llantwit Major to Kerman (California) | 5,244.27 mi (8,439.83 km) |
| Llantwit Major to Kernersville (North Carolina) | 3,782.12 mi (6,086.73 km) |
| Llantwit Major to Kerrville (Texas) | 4,853.31 mi (7,810.65 km) |
| Llantwit Major to Kettering (Maryland) | 3,519.78 mi (5,664.53 km) |
| Llantwit Major to Kettering (Ohio) | 3,783.63 mi (6,089.17 km) |
| Llantwit Major to Kewanee (Illinois) | 3,940.08 mi (6,340.94 km) |
| Llantwit Major to Key Biscayne (Florida) | 4,289.30 mi (6,902.97 km) |
| Llantwit Major to Key Largo (Florida) | 4,328.45 mi (6,965.97 km) |
| Llantwit Major to Key West (Florida) | 4,415.05 mi (7,105.34 km) |
| Llantwit Major to Keystone (Florida) | 4,271.09 mi (6,873.66 km) |
| Llantwit Major to Kihei (Hawaii) | 7,187.89 mi (11,567.80 km) |
