| Portishead to Indianola (Iowa) | 4,097.40 mi (6,594.13 km) |
| Portishead to Indio (California) | 5,306.77 mi (8,540.42 km) |
| Portishead to Inglewood (California) | 5,364.61 mi (8,633.51 km) |
| Portishead to Inkster (Michigan) | 3,660.35 mi (5,890.77 km) |
| Portishead to Inver Grove Heights (Minnesota) | 3,916.37 mi (6,302.79 km) |
| Portishead to Inwood (New York) | 3,346.93 mi (5,386.36 km) |
| Portishead to Iona (Florida) | 4,353.93 mi (7,006.97 km) |
| Portishead to Ionia (Michigan) | 3,698.78 mi (5,952.62 km) |
| Portishead to Iowa City (Iowa) | 4,006.78 mi (6,448.28 km) |
| Portishead to Irmo (South Carolina) | 3,950.39 mi (6,357.54 km) |
| Portishead to Irondale (Alabama) | 4,202.39 mi (6,763.09 km) |
| Portishead to Ironton (Ohio) | 3,804.26 mi (6,122.37 km) |
| Portishead to Irvine (California) | 5,361.51 mi (8,628.51 km) |
| Portishead to Irving (Texas) | 4,648.98 mi (7,481.81 km) |
| Portishead to Isabela (Puerto Rico) | 4,123.92 mi (6,636.81 km) |
