| Wallingford Center to Kingsville (Texas) | 1,710.90 mi (2,753.43 km) |
| Wallingford Center to Kinston (North Carolina) | 498.76 mi (802.68 km) |
| Wallingford Center to Kirkland (Washington) | 2,426.38 mi (3,904.89 km) |
| Wallingford Center to Kirksville (Missouri) | 1,034.29 mi (1,664.54 km) |
| Wallingford Center to Kirkwood (Missouri) | 950.53 mi (1,529.72 km) |
| Wallingford Center to Kiryas Joel (New York) | 70.26 mi (113.07 km) |
| Wallingford Center to Kissimmee (Florida) | 1,029.46 mi (1,656.76 km) |
| Wallingford Center to Klamath Falls (Oregon) | 2,485.38 mi (3,999.84 km) |
| Wallingford Center to Knightdale (North Carolina) | 496.54 mi (799.11 km) |
| Wallingford Center to Knik-Fairview (Alaska) | 3,346.90 mi (5,386.31 km) |
| Wallingford Center to Knoxville (Tennessee) | 708.72 mi (1,140.58 km) |
| Wallingford Center to Kokomo (Indiana) | 697.08 mi (1,121.84 km) |
| Wallingford Center to Kuna (Idaho) | 2,199.82 mi (3,540.27 km) |
| Wallingford Center to Kyle (Texas) | 1,604.97 mi (2,582.95 km) |
| Wallingford Center to La Cañada Flintridge (California) | 2,497.23 mi (4,018.90 km) |
