| Wallingford Center to Keene (New Hampshire) | 106.96 mi (172.13 km) |
| Wallingford Center to Keizer (Oregon) | 2,498.86 mi (4,021.52 km) |
| Wallingford Center to Keller (Texas) | 1,460.05 mi (2,349.72 km) |
| Wallingford Center to Kelso (Washington) | 2,476.67 mi (3,985.82 km) |
| Wallingford Center to Kemp Mill (Maryland) | 277.11 mi (445.96 km) |
| Wallingford Center to Ken Caryl (Colorado) | 1,691.51 mi (2,722.22 km) |
| Wallingford Center to Kendale Lakes (Florida) | 1,170.87 mi (1,884.33 km) |
| Wallingford Center to Kendall (Florida) | 1,172.27 mi (1,886.58 km) |
| Wallingford Center to Kendall Park (New Jersey) | 115.83 mi (186.41 km) |
| Wallingford Center to Kendall West (Florida) | 1,171.63 mi (1,885.56 km) |
| Wallingford Center to Kenmore (New York) | 326.87 mi (526.04 km) |
| Wallingford Center to Kenmore (Washington) | 2,427.81 mi (3,907.19 km) |
| Wallingford Center to Kenner (Louisiana) | 1,253.15 mi (2,016.76 km) |
| Wallingford Center to Kennesaw (Georgia) | 822.53 mi (1,323.73 km) |
| Wallingford Center to Kennett (Missouri) | 992.41 mi (1,597.13 km) |
