| Watford to Kenosha (Wisconsin) | 3,909.16 mi (6,291.19 km) |
| Watford to Kent (Ohio) | 3,722.95 mi (5,991.51 km) |
| Watford to Kent (Washington) | 4,778.45 mi (7,690.17 km) |
| Watford to Kentwood (Michigan) | 3,808.73 mi (6,129.56 km) |
| Watford to Kerman (California) | 5,328.67 mi (8,575.66 km) |
| Watford to Kernersville (North Carolina) | 3,903.98 mi (6,282.85 km) |
| Watford to Kerrville (Texas) | 4,966.28 mi (7,992.45 km) |
| Watford to Kettering (Maryland) | 3,641.21 mi (5,859.96 km) |
| Watford to Kettering (Ohio) | 3,899.34 mi (6,275.38 km) |
| Watford to Kewanee (Illinois) | 4,049.68 mi (6,517.33 km) |
| Watford to Key Biscayne (Florida) | 4,417.90 mi (7,109.93 km) |
| Watford to Key Largo (Florida) | 4,457.20 mi (7,173.18 km) |
| Watford to Key West (Florida) | 4,543.44 mi (7,311.96 km) |
| Watford to Keystone (Florida) | 4,397.15 mi (7,076.53 km) |
| Watford to Kihei (Hawaii) | 7,227.22 mi (11,631.09 km) |
