| Castelnaudary to Isselburg | 624.49 mi (1,005.02 km) |
| Castelnaudary to Issum | 604.92 mi (973.52 km) |
| Castelnaudary to Itzehoe | 809.09 mi (1,302.11 km) |
| Castelnaudary to Jena | 692.72 mi (1,114.82 km) |
| Castelnaudary to Jever | 758.59 mi (1,220.84 km) |
| Castelnaudary to Jork | 788.73 mi (1,269.33 km) |
| Castelnaudary to Juchen | 578.29 mi (930.66 km) |
| Castelnaudary to Julich | 564.47 mi (908.42 km) |
| Castelnaudary to Juterbog | 790.09 mi (1,271.52 km) |
| Castelnaudary to Kaarst | 587.60 mi (945.64 km) |
| Castelnaudary to Kaiserslautern | 505.63 mi (813.73 km) |
| Castelnaudary to Kalkar | 615.74 mi (990.94 km) |
| Castelnaudary to Kall | 544.41 mi (876.14 km) |
| Castelnaudary to Kaltenkirchen | 812.70 mi (1,307.91 km) |
| Castelnaudary to Kamen | 630.39 mi (1,014.51 km) |
