| Pontypridd to Indianola (Iowa) | 4,071.68 mi (6,552.73 km) |
| Pontypridd to Indio (California) | 5,282.16 mi (8,500.82 km) |
| Pontypridd to Inglewood (California) | 5,340.27 mi (8,594.33 km) |
| Pontypridd to Inkster (Michigan) | 3,634.28 mi (5,848.81 km) |
| Pontypridd to Inver Grove Heights (Minnesota) | 3,890.91 mi (6,261.81 km) |
| Pontypridd to Inwood (New York) | 3,320.75 mi (5,344.22 km) |
| Pontypridd to Iona (Florida) | 4,328.05 mi (6,965.32 km) |
| Pontypridd to Ionia (Michigan) | 3,672.80 mi (5,910.79 km) |
| Pontypridd to Iowa City (Iowa) | 3,980.97 mi (6,406.75 km) |
| Pontypridd to Irmo (South Carolina) | 3,924.24 mi (6,315.45 km) |
| Pontypridd to Irondale (Alabama) | 4,176.19 mi (6,720.93 km) |
| Pontypridd to Ironton (Ohio) | 3,778.07 mi (6,080.22 km) |
| Pontypridd to Irvine (California) | 5,337.07 mi (8,589.18 km) |
| Pontypridd to Irving (Texas) | 4,622.94 mi (7,439.91 km) |
| Pontypridd to Isabela (Puerto Rico) | 4,100.52 mi (6,599.14 km) |
