| Tortosa to Ifield | 713.26 mi (1,147.89 km) |
| Tortosa to Ilford | 742.70 mi (1,195.25 km) |
| Tortosa to Ilfracombe | 751.60 mi (1,209.59 km) |
| Tortosa to Ilkeston | 844.43 mi (1,358.98 km) |
| Tortosa to Ilkley | 912.47 mi (1,468.47 km) |
| Tortosa to Immingham | 885.16 mi (1,424.53 km) |
| Tortosa to Ince-in-Makerfield | 891.30 mi (1,434.41 km) |
| Tortosa to Inverness | 1,170.56 mi (1,883.84 km) |
| Tortosa to Inverurie | 1,145.09 mi (1,842.85 km) |
| Tortosa to Ipswich | 777.66 mi (1,251.53 km) |
| Tortosa to Irlam | 883.52 mi (1,421.89 km) |
| Tortosa to Irthlingborough | 797.17 mi (1,282.92 km) |
| Tortosa to Irvine | 1,049.83 mi (1,689.53 km) |
| Tortosa to Islington | 742.07 mi (1,194.24 km) |
| Tortosa to Iver | 741.50 mi (1,193.33 km) |
