| Grantham to Illzach | 499.32 mi (803.58 km) |
| Grantham to Ingre | 361.84 mi (582.33 km) |
| Grantham to Irigny | 557.39 mi (897.03 km) |
| Grantham to Isbergues | 206.47 mi (332.28 km) |
| Grantham to Issoire | 538.61 mi (866.81 km) |
| Grantham to Issoudun | 428.68 mi (689.90 km) |
| Grantham to Issy-les-Moulineaux | 309.93 mi (498.78 km) |
| Grantham to Istres | 698.90 mi (1,124.76 km) |
| Grantham to Ivry-sur-Seine | 312.84 mi (503.46 km) |
| Grantham to Jarville-la-Malgrange | 418.61 mi (673.68 km) |
| Grantham to Jeumont | 272.33 mi (438.28 km) |
| Grantham to Joigny | 384.32 mi (618.51 km) |
| Grantham to Joinville-le-Pont | 313.80 mi (505.01 km) |
| Grantham to Joue-les-Tours | 388.89 mi (625.85 km) |
| Grantham to Jouy-le-Moutier | 293.96 mi (473.09 km) |
