| Oeiras to Isny im Allgau | 1,151.89 mi (1,853.79 km) |
| Oeiras to Isselburg | 1,184.21 mi (1,905.80 km) |
| Oeiras to Issum | 1,168.85 mi (1,881.09 km) |
| Oeiras to Itzehoe | 1,375.79 mi (2,214.12 km) |
| Oeiras to Jena | 1,320.61 mi (2,125.32 km) |
| Oeiras to Jever | 1,311.23 mi (2,110.23 km) |
| Oeiras to Jork | 1,362.87 mi (2,193.33 km) |
| Oeiras to Juchen | 1,150.82 mi (1,852.07 km) |
| Oeiras to Julich | 1,137.92 mi (1,831.31 km) |
| Oeiras to Juterbog | 1,413.79 mi (2,275.27 km) |
| Oeiras to Kaarst | 1,159.88 mi (1,866.64 km) |
| Oeiras to Kaiserslautern | 1,123.27 mi (1,807.73 km) |
| Oeiras to Kalkar | 1,174.33 mi (1,889.90 km) |
| Oeiras to Kall | 1,127.24 mi (1,814.12 km) |
| Oeiras to Kaltenkirchen | 1,385.35 mi (2,229.50 km) |