| Glastonbury to Kinston (North Carolina) | 3,752.82 mi (6,039.58 km) |
| Glastonbury to Kirkland (Washington) | 4,725.97 mi (7,605.72 km) |
| Glastonbury to Kirksville (Missouri) | 4,128.15 mi (6,643.62 km) |
| Glastonbury to Kirkwood (Missouri) | 4,121.50 mi (6,632.91 km) |
| Glastonbury to Kiryas Joel (New York) | 3,342.55 mi (5,379.31 km) |
| Glastonbury to Kissimmee (Florida) | 4,247.92 mi (6,836.36 km) |
| Glastonbury to Klamath Falls (Oregon) | 5,021.93 mi (8,082.01 km) |
| Glastonbury to Knightdale (North Carolina) | 3,766.94 mi (6,062.31 km) |
| Glastonbury to Knik-Fairview (Alaska) | 4,442.35 mi (7,149.27 km) |
| Glastonbury to Knoxville (Tennessee) | 3,984.72 mi (6,412.78 km) |
| Glastonbury to Kokomo (Indiana) | 3,864.69 mi (6,219.61 km) |
| Glastonbury to Kuna (Idaho) | 4,789.45 mi (7,707.88 km) |
| Glastonbury to Kyle (Texas) | 4,843.61 mi (7,795.04 km) |
| Glastonbury to La Cañada Flintridge (California) | 5,362.10 mi (8,629.47 km) |
| Glastonbury to La Crescenta-Montrose (California) | 5,362.00 mi (8,629.30 km) |
