| Gloucester to Illzach | 511.60 mi (823.34 km) |
| Gloucester to Ingre | 327.07 mi (526.36 km) |
| Gloucester to Irigny | 534.78 mi (860.65 km) |
| Gloucester to Isbergues | 220.63 mi (355.06 km) |
| Gloucester to Issoire | 503.09 mi (809.64 km) |
| Gloucester to Issoudun | 389.31 mi (626.53 km) |
| Gloucester to Issy-les-Moulineaux | 289.30 mi (465.58 km) |
| Gloucester to Istres | 667.07 mi (1,073.54 km) |
| Gloucester to Ivry-sur-Seine | 293.31 mi (472.04 km) |
| Gloucester to Jarville-la-Malgrange | 433.22 mi (697.20 km) |
| Gloucester to Jeumont | 295.92 mi (476.24 km) |
| Gloucester to Joigny | 367.11 mi (590.81 km) |
| Gloucester to Joinville-le-Pont | 295.64 mi (475.78 km) |
| Gloucester to Joue-les-Tours | 337.82 mi (543.67 km) |
| Gloucester to Jouy-le-Moutier | 272.67 mi (438.82 km) |
