| Swansea to Kidbrooke | 4,203.14 mi (6,764.31 km) |
| Swansea to Kidderminster | 4,088.07 mi (6,579.11 km) |
| Swansea to Kidlington | 4,141.41 mi (6,664.95 km) |
| Swansea to Kidsgrove | 4,068.25 mi (6,547.21 km) |
| Swansea to Killamarsh | 4,096.91 mi (6,593.33 km) |
| Swansea to Killingworth | 4,039.73 mi (6,501.31 km) |
| Swansea to Kilmarnock | 3,917.62 mi (6,304.80 km) |
| Swansea to Kilsyth | 3,924.20 mi (6,315.38 km) |
| Swansea to Kilwinning | 3,908.98 mi (6,290.90 km) |
| Swansea to King's Lynn | 4,177.84 mi (6,723.59 km) |
| Swansea to Kings Norton | 4,099.87 mi (6,598.10 km) |
| Swansea to Kingsnorth | 4,246.04 mi (6,833.34 km) |
| Swansea to Kingsteignton | 4,088.25 mi (6,579.40 km) |
| Swansea to Kingston upon Hull | 4,121.12 mi (6,632.31 km) |
| Swansea to Kingston upon Thames | 4,192.12 mi (6,746.56 km) |
