| Big Spring to Ickenham | 4,940.63 mi (7,951.18 km) |
| Big Spring to Ifield | 4,964.31 mi (7,989.29 km) |
| Big Spring to Ilford | 4,960.70 mi (7,983.48 km) |
| Big Spring to Ilfracombe | 4,811.72 mi (7,743.71 km) |
| Big Spring to Ilkeston | 4,862.19 mi (7,824.94 km) |
| Big Spring to Ilkley | 4,812.99 mi (7,745.76 km) |
| Big Spring to Immingham | 4,880.94 mi (7,855.11 km) |
| Big Spring to Ince-in-Makerfield | 4,796.77 mi (7,719.65 km) |
| Big Spring to Inverness | 4,622.21 mi (7,438.73 km) |
| Big Spring to Inverurie | 4,690.28 mi (7,548.28 km) |
| Big Spring to Ipswich | 4,983.34 mi (8,019.91 km) |
| Big Spring to Irlam | 4,806.23 mi (7,734.88 km) |
| Big Spring to Irthlingborough | 4,909.00 mi (7,900.28 km) |
| Big Spring to Irvine | 4,660.05 mi (7,499.63 km) |
| Big Spring to Islington | 4,954.09 mi (7,972.84 km) |
