| Boulder to Iver | 4,665.95 mi (7,509.12 km) |
| Boulder to Ivybridge | 4,591.36 mi (7,389.08 km) |
| Boulder to Jarrow | 4,493.09 mi (7,230.93 km) |
| Boulder to Johnstone | 4,362.08 mi (7,020.09 km) |
| Boulder to Kearsley | 4,521.25 mi (7,276.25 km) |
| Boulder to Keighley | 4,523.32 mi (7,279.57 km) |
| Boulder to Kempston | 4,641.84 mi (7,470.32 km) |
| Boulder to Kendal | 4,477.49 mi (7,205.82 km) |
| Boulder to Kenilworth | 4,596.06 mi (7,396.65 km) |
| Boulder to Kenley | 4,688.24 mi (7,545.00 km) |
| Boulder to Kensington | 4,677.73 mi (7,528.08 km) |
| Boulder to Kenton | 4,670.01 mi (7,515.66 km) |
| Boulder to Kettering | 4,622.70 mi (7,439.52 km) |
| Boulder to Kew Green | 4,675.26 mi (7,524.10 km) |
| Boulder to Keynsham | 4,601.16 mi (7,404.85 km) |
