| Llanelli to Kinston (North Carolina) | 3,683.54 mi (5,928.09 km) |
| Llanelli to Kirkland (Washington) | 4,657.69 mi (7,495.83 km) |
| Llanelli to Kirksville (Missouri) | 4,055.70 mi (6,527.02 km) |
| Llanelli to Kirkwood (Missouri) | 4,049.33 mi (6,516.77 km) |
| Llanelli to Kiryas Joel (New York) | 3,271.99 mi (5,265.75 km) |
| Llanelli to Kissimmee (Florida) | 4,179.99 mi (6,727.05 km) |
| Llanelli to Klamath Falls (Oregon) | 4,952.21 mi (7,969.81 km) |
| Llanelli to Knightdale (North Carolina) | 3,697.26 mi (5,950.17 km) |
| Llanelli to Knik-Fairview (Alaska) | 4,388.55 mi (7,062.69 km) |
| Llanelli to Knoxville (Tennessee) | 3,913.86 mi (6,298.74 km) |
| Llanelli to Kokomo (Indiana) | 3,792.67 mi (6,103.71 km) |
| Llanelli to Kuna (Idaho) | 4,718.91 mi (7,594.35 km) |
| Llanelli to Kyle (Texas) | 4,771.71 mi (7,679.32 km) |
| Llanelli to La Cañada Flintridge (California) | 5,290.41 mi (8,514.10 km) |
| Llanelli to La Crescenta-Montrose (California) | 5,290.32 mi (8,513.94 km) |
