| Gretz-Armainvilliers to Ifield | 210.22 mi (338.32 km) |
| Gretz-Armainvilliers to Ilford | 227.16 mi (365.57 km) |
| Gretz-Armainvilliers to Ilfracombe | 348.82 mi (561.37 km) |
| Gretz-Armainvilliers to Ilkeston | 341.22 mi (549.13 km) |
| Gretz-Armainvilliers to Ilkley | 408.42 mi (657.30 km) |
| Gretz-Armainvilliers to Immingham | 360.07 mi (579.47 km) |
| Gretz-Armainvilliers to Ince-in-Makerfield | 403.98 mi (650.14 km) |
| Gretz-Armainvilliers to Inverness | 668.29 mi (1,075.50 km) |
| Gretz-Armainvilliers to Inverurie | 626.68 mi (1,008.55 km) |
| Gretz-Armainvilliers to Ipswich | 239.57 mi (385.54 km) |
| Gretz-Armainvilliers to Irlam | 394.36 mi (634.65 km) |
| Gretz-Armainvilliers to Irthlingborough | 287.86 mi (463.27 km) |
| Gretz-Armainvilliers to Irvine | 568.58 mi (915.04 km) |
| Gretz-Armainvilliers to Islington | 230.80 mi (371.43 km) |
| Gretz-Armainvilliers to Iver | 239.74 mi (385.83 km) |
