| Sinaia to Ilawa | 629.43 mi (1,012.98 km) |
| Sinaia to Imielin | 442.24 mi (711.72 km) |
| Sinaia to Inowroclaw | 610.34 mi (982.25 km) |
| Sinaia to Janow Lubelski | 397.99 mi (640.50 km) |
| Sinaia to Jarocin | 585.81 mi (942.77 km) |
| Sinaia to Jaroslaw | 349.06 mi (561.76 km) |
| Sinaia to Jasien | 694.08 mi (1,117.01 km) |
| Sinaia to Jaslo | 358.39 mi (576.77 km) |
| Sinaia to Jastrzebie-Zdroj | 453.73 mi (730.22 km) |
| Sinaia to Jawor | 582.76 mi (937.87 km) |
| Sinaia to Jaworzno | 444.16 mi (714.81 km) |
| Sinaia to Jedrzejow | 438.18 mi (705.18 km) |
| Sinaia to Jelcz-Laskowice | 544.78 mi (876.74 km) |
| Sinaia to Jelenia Gora | 592.59 mi (953.69 km) |
| Sinaia to Jozefoslaw | 509.37 mi (819.75 km) |
