| Delaware to Indianola (Iowa) | 553.20 mi (890.29 km) |
| Delaware to Indio (California) | 1,872.92 mi (3,014.18 km) |
| Delaware to Inglewood (California) | 1,977.93 mi (3,183.17 km) |
| Delaware to Inkster (Michigan) | 139.33 mi (224.23 km) |
| Delaware to Inver Grove Heights (Minnesota) | 596.57 mi (960.09 km) |
| Delaware to Inwood (New York) | 490.51 mi (789.40 km) |
| Delaware to Iona (Florida) | 953.50 mi (1,534.50 km) |
| Delaware to Ionia (Michigan) | 212.71 mi (342.33 km) |
| Delaware to Iowa City (Iowa) | 451.00 mi (725.81 km) |
| Delaware to Irmo (South Carolina) | 439.52 mi (707.35 km) |
| Delaware to Irondale (Alabama) | 506.03 mi (814.38 km) |
| Delaware to Ironton (Ohio) | 122.94 mi (197.85 km) |
| Delaware to Irvine (California) | 1,955.54 mi (3,147.14 km) |
| Delaware to Irving (Texas) | 924.47 mi (1,487.79 km) |
| Delaware to Isabela (Puerto Rico) | 1,782.13 mi (2,868.07 km) |
