| Pembroke Dock to Indianola (Iowa) | 4,008.15 mi (6,450.49 km) |
| Pembroke Dock to Indio (California) | 5,223.73 mi (8,406.78 km) |
| Pembroke Dock to Inglewood (California) | 5,282.88 mi (8,501.98 km) |
| Pembroke Dock to Inkster (Michigan) | 3,568.53 mi (5,742.99 km) |
| Pembroke Dock to Inver Grove Heights (Minnesota) | 3,828.75 mi (6,161.77 km) |
| Pembroke Dock to Inwood (New York) | 3,252.79 mi (5,234.86 km) |
| Pembroke Dock to Iona (Florida) | 4,259.10 mi (6,854.37 km) |
| Pembroke Dock to Ionia (Michigan) | 3,607.70 mi (5,806.03 km) |
| Pembroke Dock to Iowa City (Iowa) | 3,916.99 mi (6,303.78 km) |
| Pembroke Dock to Irmo (South Carolina) | 3,856.01 mi (6,205.65 km) |
| Pembroke Dock to Irondale (Alabama) | 4,108.67 mi (6,612.27 km) |
| Pembroke Dock to Ironton (Ohio) | 3,711.02 mi (5,972.31 km) |
| Pembroke Dock to Irvine (California) | 5,279.31 mi (8,496.22 km) |
| Pembroke Dock to Irving (Texas) | 4,557.47 mi (7,334.53 km) |
| Pembroke Dock to Isabela (Puerto Rico) | 4,033.76 mi (6,491.71 km) |
