| Grenzach-Wyhlen to Isselburg | 300.57 mi (483.72 km) |
| Grenzach-Wyhlen to Issum | 280.99 mi (452.21 km) |
| Grenzach-Wyhlen to Itzehoe | 447.74 mi (720.56 km) |
| Grenzach-Wyhlen to Jena | 292.78 mi (471.19 km) |
| Grenzach-Wyhlen to Jever | 416.26 mi (669.91 km) |
| Grenzach-Wyhlen to Jork | 422.75 mi (680.35 km) |
| Grenzach-Wyhlen to Juchen | 250.71 mi (403.48 km) |
| Grenzach-Wyhlen to Julich | 240.15 mi (386.48 km) |
| Grenzach-Wyhlen to Juterbog | 390.33 mi (628.17 km) |
| Grenzach-Wyhlen to Kaarst | 257.52 mi (414.45 km) |
| Grenzach-Wyhlen to Kaiserslautern | 130.89 mi (210.65 km) |
| Grenzach-Wyhlen to Kalkar | 295.68 mi (475.86 km) |
| Grenzach-Wyhlen to Kall | 213.14 mi (343.02 km) |
| Grenzach-Wyhlen to Kaltenkirchen | 445.92 mi (717.63 km) |
| Grenzach-Wyhlen to Kamen | 279.14 mi (449.23 km) |
