| Pontneddfechan to Indianola (Iowa) | 4,057.35 mi (6,529.67 km) |
| Pontneddfechan to Indio (California) | 5,267.34 mi (8,476.97 km) |
| Pontneddfechan to Inglewood (California) | 5,325.40 mi (8,570.40 km) |
| Pontneddfechan to Inkster (Michigan) | 3,620.41 mi (5,826.48 km) |
| Pontneddfechan to Inver Grove Heights (Minnesota) | 3,876.40 mi (6,238.46 km) |
| Pontneddfechan to Inwood (New York) | 3,307.72 mi (5,323.26 km) |
| Pontneddfechan to Iona (Florida) | 4,316.01 mi (6,945.94 km) |
| Pontneddfechan to Ionia (Michigan) | 3,658.76 mi (5,888.21 km) |
| Pontneddfechan to Iowa City (Iowa) | 3,966.72 mi (6,383.81 km) |
| Pontneddfechan to Irmo (South Carolina) | 3,911.39 mi (6,294.77 km) |
| Pontneddfechan to Irondale (Alabama) | 4,162.93 mi (6,699.58 km) |
| Pontneddfechan to Ironton (Ohio) | 3,764.62 mi (6,058.56 km) |
| Pontneddfechan to Irvine (California) | 5,322.22 mi (8,565.28 km) |
| Pontneddfechan to Irving (Texas) | 4,608.99 mi (7,417.46 km) |
| Pontneddfechan to Isabela (Puerto Rico) | 4,091.77 mi (6,585.07 km) |
