| Rio Maior to Isny im Allgau | 1,107.91 mi (1,783.01 km) |
| Rio Maior to Isselburg | 1,135.63 mi (1,827.62 km) |
| Rio Maior to Issum | 1,120.39 mi (1,803.09 km) |
| Rio Maior to Itzehoe | 1,327.08 mi (2,135.72 km) |
| Rio Maior to Jena | 1,273.96 mi (2,050.24 km) |
| Rio Maior to Jever | 1,262.36 mi (2,031.56 km) |
| Rio Maior to Jork | 1,314.32 mi (2,115.20 km) |
| Rio Maior to Juchen | 1,102.58 mi (1,774.43 km) |
| Rio Maior to Julich | 1,089.72 mi (1,753.74 km) |
| Rio Maior to Juterbog | 1,366.78 mi (2,199.63 km) |
| Rio Maior to Kaarst | 1,111.60 mi (1,788.95 km) |
| Rio Maior to Kaiserslautern | 1,076.54 mi (1,732.53 km) |
| Rio Maior to Kalkar | 1,125.75 mi (1,811.72 km) |
| Rio Maior to Kall | 1,079.31 mi (1,736.98 km) |
| Rio Maior to Kaltenkirchen | 1,336.74 mi (2,151.27 km) |
