| Penrith to Indianola (Iowa) | 3,993.24 mi (6,426.51 km) |
| Penrith to Indio (California) | 5,171.38 mi (8,322.53 km) |
| Penrith to Inglewood (California) | 5,224.38 mi (8,407.83 km) |
| Penrith to Inkster (Michigan) | 3,575.39 mi (5,754.03 km) |
| Penrith to Inver Grove Heights (Minnesota) | 3,803.42 mi (6,121.02 km) |
| Penrith to Inwood (New York) | 3,290.05 mi (5,294.82 km) |
| Penrith to Iona (Florida) | 4,321.09 mi (6,954.12 km) |
| Penrith to Ionia (Michigan) | 3,607.76 mi (5,806.13 km) |
| Penrith to Iowa City (Iowa) | 3,906.09 mi (6,286.24 km) |
| Penrith to Irmo (South Carolina) | 3,897.09 mi (6,271.76 km) |
| Penrith to Irondale (Alabama) | 4,136.65 mi (6,657.29 km) |
| Penrith to Ironton (Ohio) | 3,733.13 mi (6,007.90 km) |
| Penrith to Irvine (California) | 5,222.95 mi (8,405.53 km) |
| Penrith to Irving (Texas) | 4,559.44 mi (7,337.71 km) |
| Penrith to Isabela (Puerto Rico) | 4,159.42 mi (6,693.94 km) |
