| Oak Ridge to Kidbrooke | 4,103.12 mi (6,603.33 km) |
| Oak Ridge to Kidderminster | 3,990.27 mi (6,421.73 km) |
| Oak Ridge to Kidlington | 4,041.47 mi (6,504.11 km) |
| Oak Ridge to Kidsgrove | 3,975.09 mi (6,397.29 km) |
| Oak Ridge to Killamarsh | 4,006.76 mi (6,448.26 km) |
| Oak Ridge to Killingworth | 3,960.69 mi (6,374.11 km) |
| Oak Ridge to Kilmarnock | 3,838.54 mi (6,177.53 km) |
| Oak Ridge to Kilsyth | 3,848.27 mi (6,193.20 km) |
| Oak Ridge to Kilwinning | 3,829.95 mi (6,163.70 km) |
| Oak Ridge to King's Lynn | 4,086.76 mi (6,577.00 km) |
| Oak Ridge to Kings Norton | 4,002.71 mi (6,441.74 km) |
| Oak Ridge to Kingsnorth | 4,145.29 mi (6,671.20 km) |
| Oak Ridge to Kingsteignton | 3,976.18 mi (6,399.04 km) |
| Oak Ridge to Kingston upon Hull | 4,035.33 mi (6,494.23 km) |
| Oak Ridge to Kingston upon Thames | 4,091.19 mi (6,584.14 km) |
