| Key West to Ickenham | 4,542.32 mi (7,310.16 km) |
| Key West to Ifield | 4,557.65 mi (7,334.82 km) |
| Key West to Ilford | 4,564.94 mi (7,346.57 km) |
| Key West to Ilfracombe | 4,389.12 mi (7,063.61 km) |
| Key West to Ilkeston | 4,491.27 mi (7,227.99 km) |
| Key West to Ilkley | 4,461.37 mi (7,179.87 km) |
| Key West to Immingham | 4,529.23 mi (7,289.09 km) |
| Key West to Ince-in-Makerfield | 4,433.20 mi (7,134.54 km) |
| Key West to Inverness | 4,344.33 mi (6,991.52 km) |
| Key West to Inverurie | 4,413.90 mi (7,103.49 km) |
| Key West to Ipswich | 4,603.77 mi (7,409.05 km) |
| Key West to Irlam | 4,441.23 mi (7,147.46 km) |
| Key West to Irthlingborough | 4,526.80 mi (7,285.18 km) |
| Key West to Irvine | 4,336.79 mi (6,979.40 km) |
| Key West to Islington | 4,557.12 mi (7,333.98 km) |
