| Concarneau to Isselburg | 536.69 mi (863.72 km) |
| Concarneau to Issum | 526.23 mi (846.89 km) |
| Concarneau to Itzehoe | 717.47 mi (1,154.65 km) |
| Concarneau to Jena | 726.77 mi (1,169.62 km) |
| Concarneau to Jever | 648.50 mi (1,043.66 km) |
| Concarneau to Jork | 710.28 mi (1,143.08 km) |
| Concarneau to Juchen | 517.48 mi (832.80 km) |
| Concarneau to Julich | 507.23 mi (816.31 km) |
| Concarneau to Juterbog | 805.14 mi (1,295.75 km) |
| Concarneau to Kaarst | 525.06 mi (845.01 km) |
| Concarneau to Kaiserslautern | 543.73 mi (875.04 km) |
| Concarneau to Kalkar | 527.12 mi (848.32 km) |
| Concarneau to Kall | 506.80 mi (815.62 km) |
| Concarneau to Kaltenkirchen | 730.32 mi (1,175.33 km) |
| Concarneau to Kamen | 576.67 mi (928.06 km) |
