| Boulder City to Kidbrooke | 5,238.81 mi (8,431.05 km) |
| Boulder City to Kidderminster | 5,123.34 mi (8,245.22 km) |
| Boulder City to Kidlington | 5,179.55 mi (8,335.68 km) |
| Boulder City to Kidsgrove | 5,093.06 mi (8,196.50 km) |
| Boulder City to Killamarsh | 5,112.97 mi (8,228.53 km) |
| Boulder City to Killingworth | 5,030.71 mi (8,096.14 km) |
| Boulder City to Kilmarnock | 4,914.81 mi (7,909.62 km) |
| Boulder City to Kilsyth | 4,913.14 mi (7,906.93 km) |
| Boulder City to Kilwinning | 4,906.50 mi (7,896.26 km) |
| Boulder City to King's Lynn | 5,192.52 mi (8,356.56 km) |
| Boulder City to Kings Norton | 5,133.06 mi (8,260.86 km) |
| Boulder City to Kingsnorth | 5,281.62 mi (8,499.95 km) |
| Boulder City to Kingsteignton | 5,157.71 mi (8,300.54 km) |
| Boulder City to Kingston upon Hull | 5,125.20 mi (8,248.21 km) |
| Boulder City to Kingston upon Thames | 5,230.45 mi (8,417.60 km) |
