| Swansea to Idar-Oberstein | 4,541.09 mi (7,308.18 km) |
| Swansea to Idstein | 4,558.78 mi (7,336.65 km) |
| Swansea to Illertissen | 4,702.64 mi (7,568.17 km) |
| Swansea to Illingen | 4,543.30 mi (7,311.73 km) |
| Swansea to Ilmenau | 4,639.23 mi (7,466.12 km) |
| Swansea to Ilsede | 4,553.06 mi (7,327.44 km) |
| Swansea to Ilsenburg | 4,585.87 mi (7,380.25 km) |
| Swansea to Ilsfeld | 4,639.13 mi (7,465.96 km) |
| Swansea to Ilvesheim | 4,597.45 mi (7,398.88 km) |
| Swansea to Immenstadt im Allgau | 4,732.90 mi (7,616.86 km) |
| Swansea to Ingelheim | 4,559.62 mi (7,337.99 km) |
| Swansea to Ingolstadt | 4,732.23 mi (7,615.79 km) |
| Swansea to Iserlohn | 4,494.03 mi (7,232.44 km) |
| Swansea to Isernhagen-Sud | 4,535.24 mi (7,298.76 km) |
| Swansea to Ismaning | 4,762.65 mi (7,664.74 km) |
