| River Grove to Isny im Allgau | 4,478.55 mi (7,207.53 km) |
| River Grove to Isselburg | 4,187.54 mi (6,739.19 km) |
| River Grove to Issum | 4,196.64 mi (6,753.84 km) |
| River Grove to Itzehoe | 4,218.59 mi (6,789.17 km) |
| River Grove to Jena | 4,406.30 mi (7,091.25 km) |
| River Grove to Jever | 4,175.54 mi (6,719.88 km) |
| River Grove to Jork | 4,238.84 mi (6,821.76 km) |
| River Grove to Juchen | 4,215.47 mi (6,784.15 km) |
| River Grove to Julich | 4,216.73 mi (6,786.18 km) |
| River Grove to Juterbog | 4,415.92 mi (7,106.74 km) |
| River Grove to Kaarst | 4,215.47 mi (6,784.14 km) |
| River Grove to Kaiserslautern | 4,324.43 mi (6,959.50 km) |
| River Grove to Kalkar | 4,184.61 mi (6,734.47 km) |
| River Grove to Kall | 4,237.51 mi (6,819.61 km) |
| River Grove to Kaltenkirchen | 4,236.99 mi (6,818.78 km) |
