| Guyancourt to Imielin | 773.97 mi (1,245.59 km) |
| Guyancourt to Inowroclaw | 757.72 mi (1,219.44 km) |
| Guyancourt to Janow Lubelski | 915.18 mi (1,472.84 km) |
| Guyancourt to Jarocin | 713.17 mi (1,147.74 km) |
| Guyancourt to Jaroslaw | 927.64 mi (1,492.90 km) |
| Guyancourt to Jasien | 803.25 mi (1,292.71 km) |
| Guyancourt to Jaslo | 874.83 mi (1,407.90 km) |
| Guyancourt to Jastrzebie-Zdroj | 745.83 mi (1,200.30 km) |
| Guyancourt to Jawor | 646.84 mi (1,040.99 km) |
| Guyancourt to Jaworzno | 776.38 mi (1,249.46 km) |
| Guyancourt to Jedrzejow | 822.40 mi (1,323.52 km) |
| Guyancourt to Jelcz-Laskowice | 695.46 mi (1,119.23 km) |
| Guyancourt to Jelenia Gora | 625.31 mi (1,006.35 km) |
| Guyancourt to Jozefoslaw | 863.24 mi (1,389.26 km) |
| Guyancourt to Jozefow | 871.41 mi (1,402.40 km) |
