| Waltham Cross to Indianola (Iowa) | 4,191.91 mi (6,746.23 km) |
| Waltham Cross to Indio (California) | 5,388.53 mi (8,672.01 km) |
| Waltham Cross to Inglewood (California) | 5,443.97 mi (8,761.22 km) |
| Waltham Cross to Inkster (Michigan) | 3,760.99 mi (6,052.73 km) |
| Waltham Cross to Inver Grove Heights (Minnesota) | 4,007.52 mi (6,449.47 km) |
| Waltham Cross to Inwood (New York) | 3,454.72 mi (5,559.83 km) |
| Waltham Cross to Iona (Florida) | 4,466.64 mi (7,188.37 km) |
| Waltham Cross to Ionia (Michigan) | 3,797.57 mi (6,111.60 km) |
| Waltham Cross to Iowa City (Iowa) | 4,102.48 mi (6,602.31 km) |
| Waltham Cross to Irmo (South Carolina) | 4,059.20 mi (6,532.64 km) |
| Waltham Cross to Irondale (Alabama) | 4,308.45 mi (6,933.77 km) |
| Waltham Cross to Ironton (Ohio) | 3,908.82 mi (6,290.64 km) |
| Waltham Cross to Irvine (California) | 5,441.72 mi (8,757.59 km) |
| Waltham Cross to Irving (Texas) | 4,748.59 mi (7,642.12 km) |
| Waltham Cross to Isabela (Puerto Rico) | 4,241.92 mi (6,826.71 km) |
