| Hercules to Indianola (Iowa) | 1,535.92 mi (2,471.83 km) |
| Hercules to Indio (California) | 447.90 mi (720.83 km) |
| Hercules to Inglewood (California) | 355.07 mi (571.44 km) |
| Hercules to Inkster (Michigan) | 2,059.61 mi (3,314.63 km) |
| Hercules to Inver Grove Heights (Minnesota) | 1,574.71 mi (2,534.24 km) |
| Hercules to Inwood (New York) | 2,566.29 mi (4,130.04 km) |
| Hercules to Iona (Florida) | 2,462.75 mi (3,963.42 km) |
| Hercules to Ionia (Michigan) | 1,967.29 mi (3,166.05 km) |
| Hercules to Iowa City (Iowa) | 1,640.80 mi (2,640.61 km) |
| Hercules to Irmo (South Carolina) | 2,290.86 mi (3,686.78 km) |
| Hercules to Irondale (Alabama) | 2,006.67 mi (3,229.43 km) |
| Hercules to Ironton (Ohio) | 2,130.42 mi (3,428.59 km) |
| Hercules to Irvine (California) | 390.41 mi (628.30 km) |
| Hercules to Irving (Texas) | 1,462.32 mi (2,353.38 km) |
| Hercules to Isabela (Puerto Rico) | 3,563.66 mi (5,735.15 km) |
