| Oak Ridge to Ickenham | 4,081.64 mi (6,568.76 km) |
| Oak Ridge to Ifield | 4,101.88 mi (6,601.35 km) |
| Oak Ridge to Ilford | 4,103.15 mi (6,603.38 km) |
| Oak Ridge to Ilfracombe | 3,940.04 mi (6,340.87 km) |
| Oak Ridge to Ilkeston | 4,014.63 mi (6,460.93 km) |
| Oak Ridge to Ilkley | 3,973.78 mi (6,395.18 km) |
| Oak Ridge to Immingham | 4,042.70 mi (6,506.10 km) |
| Oak Ridge to Ince-in-Makerfield | 3,951.67 mi (6,359.60 km) |
| Oak Ridge to Inverness | 3,816.30 mi (6,141.74 km) |
| Oak Ridge to Inverurie | 3,886.22 mi (6,254.27 km) |
| Oak Ridge to Ipswich | 4,133.53 mi (6,652.28 km) |
| Oak Ridge to Irlam | 3,960.61 mi (6,373.98 km) |
| Oak Ridge to Irthlingborough | 4,056.91 mi (6,528.96 km) |
| Oak Ridge to Irvine | 3,832.13 mi (6,167.22 km) |
| Oak Ridge to Islington | 4,095.89 mi (6,591.71 km) |
