| Williamsport to Indianapolis (Indiana) | 488.81 mi (786.67 km) |
| Williamsport to Indianola (Iowa) | 856.66 mi (1,378.66 km) |
| Williamsport to Indio (California) | 2,191.00 mi (3,526.07 km) |
| Williamsport to Inglewood (California) | 2,294.09 mi (3,691.99 km) |
| Williamsport to Inkster (Michigan) | 331.52 mi (533.54 km) |
| Williamsport to Inver Grove Heights (Minnesota) | 844.64 mi (1,359.32 km) |
| Williamsport to Inwood (New York) | 176.77 mi (284.49 km) |
| Williamsport to Iona (Florida) | 1,055.29 mi (1,698.33 km) |
| Williamsport to Ionia (Michigan) | 428.84 mi (690.15 km) |
| Williamsport to Iowa City (Iowa) | 750.27 mi (1,207.44 km) |
| Williamsport to Irmo (South Carolina) | 542.93 mi (873.76 km) |
| Williamsport to Irondale (Alabama) | 748.62 mi (1,204.79 km) |
| Williamsport to Ironton (Ohio) | 352.64 mi (567.52 km) |
| Williamsport to Irvine (California) | 2,272.66 mi (3,657.49 km) |
| Williamsport to Irving (Texas) | 1,238.28 mi (1,992.82 km) |
