| Risca to Kinston (North Carolina) | 3,729.50 mi (6,002.06 km) |
| Risca to Kirkland (Washington) | 4,691.10 mi (7,549.59 km) |
| Risca to Kirksville (Missouri) | 4,099.03 mi (6,596.75 km) |
| Risca to Kirkwood (Missouri) | 4,093.38 mi (6,587.66 km) |
| Risca to Kiryas Joel (New York) | 3,317.50 mi (5,339.00 km) |
| Risca to Kissimmee (Florida) | 4,226.18 mi (6,801.37 km) |
| Risca to Klamath Falls (Oregon) | 4,987.60 mi (8,026.76 km) |
| Risca to Knightdale (North Carolina) | 3,743.12 mi (6,023.97 km) |
| Risca to Knik-Fairview (Alaska) | 4,407.24 mi (7,092.77 km) |
| Risca to Knoxville (Tennessee) | 3,959.21 mi (6,371.72 km) |
| Risca to Kokomo (Indiana) | 3,836.96 mi (6,174.98 km) |
| Risca to Kuna (Idaho) | 4,755.59 mi (7,653.38 km) |
| Risca to Kyle (Texas) | 4,816.14 mi (7,750.83 km) |
| Risca to La Cañada Flintridge (California) | 5,329.24 mi (8,576.59 km) |
| Risca to La Crescenta-Montrose (California) | 5,329.13 mi (8,576.41 km) |
