| Gliwice to Illzach | 540.42 mi (869.73 km) |
| Gliwice to Ingre | 777.39 mi (1,251.08 km) |
| Gliwice to Irigny | 713.68 mi (1,148.55 km) |
| Gliwice to Isbergues | 712.08 mi (1,145.98 km) |
| Gliwice to Issoire | 783.55 mi (1,261.00 km) |
| Gliwice to Issoudun | 793.75 mi (1,277.42 km) |
| Gliwice to Issy-les-Moulineaux | 740.30 mi (1,191.39 km) |
| Gliwice to Istres | 795.25 mi (1,279.83 km) |
| Gliwice to Ivry-sur-Seine | 735.95 mi (1,184.39 km) |
| Gliwice to Jarville-la-Malgrange | 569.70 mi (916.84 km) |
| Gliwice to Jeumont | 641.96 mi (1,033.13 km) |
| Gliwice to Joigny | 707.01 mi (1,137.83 km) |
| Gliwice to Joinville-le-Pont | 731.39 mi (1,177.05 km) |
| Gliwice to Joue-les-Tours | 841.50 mi (1,354.26 km) |
| Gliwice to Jouy-le-Moutier | 747.49 mi (1,202.97 km) |
