| Wallingford Center to Kennewick (Washington) | 2,300.57 mi (3,702.40 km) |
| Wallingford Center to Kenosha (Wisconsin) | 775.91 mi (1,248.71 km) |
| Wallingford Center to Kent (Ohio) | 443.71 mi (714.08 km) |
| Wallingford Center to Kent (Washington) | 2,429.93 mi (3,910.59 km) |
| Wallingford Center to Kentwood (Michigan) | 660.96 mi (1,063.72 km) |
| Wallingford Center to Kerman (California) | 2,523.05 mi (4,060.45 km) |
| Wallingford Center to Kernersville (North Carolina) | 537.62 mi (865.22 km) |
| Wallingford Center to Kerrville (Texas) | 1,663.49 mi (2,677.13 km) |
| Wallingford Center to Kettering (Maryland) | 274.26 mi (441.37 km) |
| Wallingford Center to Kettering (Ohio) | 606.40 mi (975.91 km) |
| Wallingford Center to Kewanee (Illinois) | 886.07 mi (1,425.98 km) |
| Wallingford Center to Key Biscayne (Florida) | 1,166.94 mi (1,878.01 km) |
| Wallingford Center to Key Largo (Florida) | 1,209.09 mi (1,945.85 km) |
| Wallingford Center to Key West (Florida) | 1,275.15 mi (2,052.15 km) |
| Wallingford Center to Keystone (Florida) | 1,072.94 mi (1,726.73 km) |
