| SeaTac to Isny im Allgau | 5,266.44 mi (8,475.52 km) |
| SeaTac to Isselburg | 4,939.50 mi (7,949.36 km) |
| SeaTac to Issum | 4,955.37 mi (7,974.90 km) |
| SeaTac to Itzehoe | 4,887.66 mi (7,865.93 km) |
| SeaTac to Jena | 5,109.88 mi (8,223.56 km) |
| SeaTac to Jever | 4,872.33 mi (7,841.25 km) |
| SeaTac to Jork | 4,914.10 mi (7,908.48 km) |
| SeaTac to Juchen | 4,982.41 mi (8,018.41 km) |
| SeaTac to Julich | 4,989.24 mi (8,029.41 km) |
| SeaTac to Juterbog | 5,078.24 mi (8,172.64 km) |
| SeaTac to Kaarst | 4,978.51 mi (8,012.15 km) |
| SeaTac to Kaiserslautern | 5,108.84 mi (8,221.88 km) |
| SeaTac to Kalkar | 4,940.76 mi (7,951.39 km) |
| SeaTac to Kall | 5,015.31 mi (8,071.36 km) |
| SeaTac to Kaltenkirchen | 4,902.26 mi (7,889.43 km) |
