| Stockton-on-Tees to Ickenham | 211.23 mi (339.94 km) |
| Stockton-on-Tees to Ifield | 242.61 mi (390.45 km) |
| Stockton-on-Tees to Ilford | 216.16 mi (347.88 km) |
| Stockton-on-Tees to Ilfracombe | 259.92 mi (418.30 km) |
| Stockton-on-Tees to Ilkeston | 110.48 mi (177.80 km) |
| Stockton-on-Tees to Ilkley | 48.96 mi (78.79 km) |
| Stockton-on-Tees to Immingham | 79.73 mi (128.31 km) |
| Stockton-on-Tees to Ince-in-Makerfield | 88.05 mi (141.70 km) |
| Stockton-on-Tees to Inverness | 230.05 mi (370.22 km) |
| Stockton-on-Tees to Inverurie | 191.68 mi (308.48 km) |
| Stockton-on-Tees to Ipswich | 201.30 mi (323.96 km) |
| Stockton-on-Tees to Irlam | 89.69 mi (144.34 km) |
| Stockton-on-Tees to Irthlingborough | 157.88 mi (254.08 km) |
| Stockton-on-Tees to Irvine | 150.70 mi (242.52 km) |
| Stockton-on-Tees to Islington | 215.09 mi (346.16 km) |
