| Swansea to Iver | 4,180.73 mi (6,728.23 km) |
| Swansea to Ivybridge | 4,079.76 mi (6,565.75 km) |
| Swansea to Jarrow | 4,043.50 mi (6,507.39 km) |
| Swansea to Johnstone | 3,911.82 mi (6,295.46 km) |
| Swansea to Kearsley | 4,051.22 mi (6,519.82 km) |
| Swansea to Keighley | 4,058.99 mi (6,532.31 km) |
| Swansea to Kempston | 4,163.22 mi (6,700.05 km) |
| Swansea to Kendal | 4,015.36 mi (6,462.10 km) |
| Swansea to Kenilworth | 4,115.62 mi (6,623.44 km) |
| Swansea to Kenley | 4,202.59 mi (6,763.41 km) |
| Swansea to Kensington | 4,193.60 mi (6,748.95 km) |
| Swansea to Kenton | 4,186.35 mi (6,737.28 km) |
| Swansea to Kettering | 4,146.27 mi (6,672.77 km) |
| Swansea to Kew Green | 4,191.32 mi (6,745.28 km) |
| Swansea to Keynsham | 4,106.59 mi (6,608.91 km) |
