| Povoa de Varzim to Indianola (Iowa) | 4,200.98 mi (6,760.82 km) |
| Povoa de Varzim to Indio (California) | 5,502.95 mi (8,856.14 km) |
| Povoa de Varzim to Inglewood (California) | 5,579.74 mi (8,979.72 km) |
| Povoa de Varzim to Inkster (Michigan) | 3,707.12 mi (5,966.04 km) |
| Povoa de Varzim to Inver Grove Heights (Minnesota) | 4,058.79 mi (6,531.99 km) |
| Povoa de Varzim to Inwood (New York) | 3,305.60 mi (5,319.85 km) |
| Povoa de Varzim to Iona (Florida) | 4,194.83 mi (6,750.92 km) |
| Povoa de Varzim to Ionia (Michigan) | 3,766.33 mi (6,061.33 km) |
| Povoa de Varzim to Iowa City (Iowa) | 4,100.05 mi (6,598.39 km) |
| Povoa de Varzim to Irmo (South Carolina) | 3,874.28 mi (6,235.04 km) |
| Povoa de Varzim to Irondale (Alabama) | 4,162.15 mi (6,698.34 km) |
| Povoa de Varzim to Ironton (Ohio) | 3,796.11 mi (6,109.24 km) |
| Povoa de Varzim to Irvine (California) | 5,569.68 mi (8,963.53 km) |
| Povoa de Varzim to Irving (Texas) | 4,682.32 mi (7,535.47 km) |
| Povoa de Varzim to Isabela (Puerto Rico) | 3,749.21 mi (6,033.78 km) |
