| Gummersbach to Isselburg | 72.79 mi (117.15 km) |
| Gummersbach to Issum | 60.50 mi (97.37 km) |
| Gummersbach to Itzehoe | 215.97 mi (347.56 km) |
| Gummersbach to Jena | 174.98 mi (281.60 km) |
| Gummersbach to Jever | 176.14 mi (283.47 km) |
| Gummersbach to Jork | 194.54 mi (313.08 km) |
| Gummersbach to Juchen | 46.48 mi (74.80 km) |
| Gummersbach to Julich | 53.13 mi (85.50 km) |
| Gummersbach to Juterbog | 245.80 mi (395.58 km) |
| Gummersbach to Kaarst | 43.10 mi (69.36 km) |
| Gummersbach to Kaiserslautern | 110.12 mi (177.23 km) |
| Gummersbach to Kalkar | 73.45 mi (118.21 km) |
| Gummersbach to Kall | 55.58 mi (89.45 km) |
| Gummersbach to Kaltenkirchen | 218.52 mi (351.67 km) |
| Gummersbach to Kamen | 38.82 mi (62.47 km) |
