| Willoughby to Iver | 3,701.81 mi (5,957.49 km) |
| Willoughby to Ivybridge | 3,595.34 mi (5,786.14 km) |
| Willoughby to Jarrow | 3,574.60 mi (5,752.77 km) |
| Willoughby to Johnstone | 3,443.66 mi (5,542.03 km) |
| Willoughby to Kearsley | 3,576.81 mi (5,756.31 km) |
| Willoughby to Keighley | 3,586.01 mi (5,771.12 km) |
| Willoughby to Kempston | 3,685.99 mi (5,932.03 km) |
| Willoughby to Kendal | 3,543.24 mi (5,702.29 km) |
| Willoughby to Kenilworth | 3,638.20 mi (5,855.12 km) |
| Willoughby to Kenley | 3,723.46 mi (5,992.32 km) |
| Willoughby to Kensington | 3,714.88 mi (5,978.53 km) |
| Willoughby to Kenton | 3,707.78 mi (5,967.10 km) |
| Willoughby to Kettering | 3,669.67 mi (5,905.77 km) |
| Willoughby to Kew Green | 3,712.66 mi (5,974.95 km) |
| Willoughby to Keynsham | 3,625.84 mi (5,835.23 km) |
