| Grado to Isny im Allgau | 832.61 mi (1,339.96 km) |
| Grado to Isselburg | 823.46 mi (1,325.23 km) |
| Grado to Issum | 809.06 mi (1,302.05 km) |
| Grado to Itzehoe | 1,013.70 mi (1,631.40 km) |
| Grado to Jena | 975.88 mi (1,570.52 km) |
| Grado to Jever | 947.95 mi (1,525.58 km) |
| Grado to Jork | 1,002.07 mi (1,612.67 km) |
| Grado to Juchen | 792.97 mi (1,276.16 km) |
| Grado to Julich | 780.53 mi (1,256.15 km) |
| Grado to Juterbog | 1,065.61 mi (1,714.93 km) |
| Grado to Kaarst | 801.78 mi (1,290.34 km) |
| Grado to Kaiserslautern | 779.12 mi (1,253.87 km) |
| Grado to Kalkar | 813.57 mi (1,309.32 km) |
| Grado to Kall | 772.18 mi (1,242.70 km) |
| Grado to Kaltenkirchen | 1,024.06 mi (1,648.07 km) |
