| Barbastro to Kinston (North Carolina) | 4,073.66 mi (6,555.93 km) |
| Barbastro to Kirkland (Washington) | 5,308.29 mi (8,542.86 km) |
| Barbastro to Kirksville (Missouri) | 4,565.75 mi (7,347.86 km) |
| Barbastro to Kirkwood (Missouri) | 4,537.25 mi (7,302.00 km) |
| Barbastro to Kiryas Joel (New York) | 3,704.20 mi (5,961.33 km) |
| Barbastro to Kissimmee (Florida) | 4,530.11 mi (7,290.51 km) |
| Barbastro to Klamath Falls (Oregon) | 5,585.18 mi (8,988.47 km) |
| Barbastro to Knightdale (North Carolina) | 4,097.68 mi (6,594.57 km) |
| Barbastro to Knik-Fairview (Alaska) | 5,084.88 mi (8,183.32 km) |
| Barbastro to Knoxville (Tennessee) | 4,346.93 mi (6,995.71 km) |
| Barbastro to Kokomo (Indiana) | 4,274.83 mi (6,879.68 km) |
| Barbastro to Kuna (Idaho) | 5,339.41 mi (8,592.95 km) |
| Barbastro to Kyle (Texas) | 5,238.21 mi (8,430.09 km) |
| Barbastro to La Cañada Flintridge (California) | 5,881.43 mi (9,465.24 km) |
| Barbastro to La Crescenta-Montrose (California) | 5,881.57 mi (9,465.47 km) |
