| Constanta to Kidderminster | 1,515.07 mi (2,438.27 km) |
| Constanta to Kidlington | 1,468.56 mi (2,363.42 km) |
| Constanta to Kidsgrove | 1,523.80 mi (2,452.32 km) |
| Constanta to Killamarsh | 1,489.31 mi (2,396.81 km) |
| Constanta to Killingworth | 1,529.20 mi (2,461.01 km) |
| Constanta to Kilmarnock | 1,651.29 mi (2,657.49 km) |
| Constanta to Kilsyth | 1,641.67 mi (2,642.02 km) |
| Constanta to Kilwinning | 1,659.88 mi (2,671.31 km) |
| Constanta to King's Lynn | 1,411.21 mi (2,271.13 km) |
| Constanta to Kings Norton | 1,501.92 mi (2,417.11 km) |
| Constanta to Kingsnorth | 1,369.19 mi (2,203.50 km) |
| Constanta to Kingsteignton | 1,557.75 mi (2,506.96 km) |
| Constanta to Kingston upon Hull | 1,457.40 mi (2,345.47 km) |
| Constanta to Kingston upon Thames | 1,422.01 mi (2,288.51 km) |
| Constanta to Kingswinford | 1,512.90 mi (2,434.78 km) |
