| Swansea to Isny im Allgau | 4,721.21 mi (7,598.06 km) |
| Swansea to Isselburg | 4,433.89 mi (7,135.65 km) |
| Swansea to Issum | 4,442.57 mi (7,149.62 km) |
| Swansea to Itzehoe | 4,468.92 mi (7,192.03 km) |
| Swansea to Jena | 4,654.11 mi (7,490.07 km) |
| Swansea to Jever | 4,424.78 mi (7,121.00 km) |
| Swansea to Jork | 4,488.80 mi (7,224.03 km) |
| Swansea to Juchen | 4,460.83 mi (7,179.01 km) |
| Swansea to Julich | 4,461.76 mi (7,180.51 km) |
| Swansea to Juterbog | 4,665.69 mi (7,508.70 km) |
| Swansea to Kaarst | 4,461.05 mi (7,179.36 km) |
| Swansea to Kaiserslautern | 4,568.16 mi (7,351.74 km) |
| Swansea to Kalkar | 4,430.74 mi (7,130.58 km) |
| Swansea to Kall | 4,482.12 mi (7,213.27 km) |
| Swansea to Kaltenkirchen | 4,487.41 mi (7,221.78 km) |
