| Round Lake Beach to Ickenham | 3,927.64 mi (6,320.93 km) |
| Round Lake Beach to Ifield | 3,951.06 mi (6,358.62 km) |
| Round Lake Beach to Ilford | 3,947.86 mi (6,353.47 km) |
| Round Lake Beach to Ilfracombe | 3,797.86 mi (6,112.07 km) |
| Round Lake Beach to Ilkeston | 3,850.30 mi (6,196.45 km) |
| Round Lake Beach to Ilkley | 3,802.12 mi (6,118.92 km) |
| Round Lake Beach to Immingham | 3,870.32 mi (6,228.67 km) |
| Round Lake Beach to Ince-in-Makerfield | 3,785.08 mi (6,091.50 km) |
| Round Lake Beach to Inverness | 3,617.04 mi (5,821.06 km) |
| Round Lake Beach to Inverurie | 3,685.71 mi (5,931.58 km) |
| Round Lake Beach to Ipswich | 3,971.33 mi (6,391.24 km) |
| Round Lake Beach to Irlam | 3,794.50 mi (6,106.65 km) |
| Round Lake Beach to Irthlingborough | 3,896.65 mi (6,271.05 km) |
| Round Lake Beach to Irvine | 3,650.66 mi (5,875.18 km) |
| Round Lake Beach to Islington | 3,941.18 mi (6,342.72 km) |
