| Sintra to Isny im Allgau | 1,149.89 mi (1,850.56 km) |
| Sintra to Isselburg | 1,179.85 mi (1,898.79 km) |
| Sintra to Issum | 1,164.59 mi (1,874.22 km) |
| Sintra to Itzehoe | 1,371.31 mi (2,206.92 km) |
| Sintra to Jena | 1,317.46 mi (2,120.25 km) |
| Sintra to Jever | 1,306.60 mi (2,102.77 km) |
| Sintra to Jork | 1,358.54 mi (2,186.36 km) |
| Sintra to Juchen | 1,146.73 mi (1,845.48 km) |
| Sintra to Julich | 1,133.86 mi (1,824.77 km) |
| Sintra to Juterbog | 1,410.46 mi (2,269.91 km) |
| Sintra to Kaarst | 1,155.76 mi (1,860.02 km) |
| Sintra to Kaiserslautern | 1,120.08 mi (1,802.59 km) |
| Sintra to Kalkar | 1,169.97 mi (1,882.89 km) |
| Sintra to Kall | 1,123.36 mi (1,807.88 km) |
| Sintra to Kaltenkirchen | 1,380.97 mi (2,222.45 km) |
