| Poplar Bluff to Ickenham | 4,285.55 mi (6,896.92 km) |
| Poplar Bluff to Ifield | 4,307.70 mi (6,932.57 km) |
| Poplar Bluff to Ilford | 4,306.35 mi (6,930.40 km) |
| Poplar Bluff to Ilfracombe | 4,150.45 mi (6,679.50 km) |
| Poplar Bluff to Ilkeston | 4,212.25 mi (6,778.97 km) |
| Poplar Bluff to Ilkley | 4,166.87 mi (6,705.93 km) |
| Poplar Bluff to Immingham | 4,235.51 mi (6,816.40 km) |
| Poplar Bluff to Ince-in-Makerfield | 4,147.79 mi (6,675.22 km) |
| Poplar Bluff to Inverness | 3,991.70 mi (6,424.02 km) |
| Poplar Bluff to Inverurie | 4,060.97 mi (6,535.49 km) |
| Poplar Bluff to Ipswich | 4,332.70 mi (6,972.81 km) |
| Poplar Bluff to Irlam | 4,157.03 mi (6,690.10 km) |
| Poplar Bluff to Irthlingborough | 4,257.06 mi (6,851.08 km) |
| Poplar Bluff to Irvine | 4,018.86 mi (6,467.73 km) |
| Poplar Bluff to Islington | 4,299.42 mi (6,919.24 km) |
