| Friendswood to Ickenham | 4,840.77 mi (7,790.46 km) |
| Friendswood to Ifield | 4,862.02 mi (7,824.66 km) |
| Friendswood to Ilford | 4,861.92 mi (7,824.51 km) |
| Friendswood to Ilfracombe | 4,702.30 mi (7,567.63 km) |
| Friendswood to Ilkeston | 4,770.25 mi (7,676.98 km) |
| Friendswood to Ilkley | 4,726.70 mi (7,606.88 km) |
| Friendswood to Immingham | 4,795.50 mi (7,717.62 km) |
| Friendswood to Ince-in-Makerfield | 4,706.37 mi (7,574.17 km) |
| Friendswood to Inverness | 4,557.30 mi (7,334.27 km) |
| Friendswood to Inverurie | 4,626.81 mi (7,446.12 km) |
| Friendswood to Ipswich | 4,890.13 mi (7,869.90 km) |
| Friendswood to Irlam | 4,715.49 mi (7,588.85 km) |
| Friendswood to Irthlingborough | 4,813.99 mi (7,747.37 km) |
| Friendswood to Irvine | 4,580.93 mi (7,372.29 km) |
| Friendswood to Islington | 4,854.83 mi (7,813.10 km) |
