| Upper Montclair to Ickenham | 3,449.29 mi (5,551.09 km) |
| Upper Montclair to Ifield | 3,468.73 mi (5,582.37 km) |
| Upper Montclair to Ilford | 3,471.06 mi (5,586.13 km) |
| Upper Montclair to Ilfracombe | 3,305.39 mi (5,319.51 km) |
| Upper Montclair to Ilkeston | 3,385.23 mi (5,448.00 km) |
| Upper Montclair to Ilkley | 3,346.69 mi (5,385.98 km) |
| Upper Montclair to Immingham | 3,415.57 mi (5,496.83 km) |
| Upper Montclair to Ince-in-Makerfield | 3,323.14 mi (5,348.07 km) |
| Upper Montclair to Inverness | 3,200.01 mi (5,149.92 km) |
| Upper Montclair to Inverurie | 3,270.07 mi (5,262.66 km) |
| Upper Montclair to Ipswich | 3,503.14 mi (5,637.76 km) |
| Upper Montclair to Irlam | 3,331.90 mi (5,362.18 km) |
| Upper Montclair to Irthlingborough | 3,426.24 mi (5,514.00 km) |
| Upper Montclair to Irvine | 3,208.90 mi (5,164.23 km) |
| Upper Montclair to Islington | 3,463.68 mi (5,574.26 km) |
