| Portimao to Hutchinson (Minnesota) | 4,294.72 mi (6,911.69 km) |
| Portimao to Hutto (Texas) | 4,934.40 mi (7,941.16 km) |
| Portimao to Hyattsville (Maryland) | 3,632.98 mi (5,846.71 km) |
| Portimao to Hybla Valley (Virginia) | 3,644.67 mi (5,865.53 km) |
| Portimao to Idaho Falls (Idaho) | 5,092.97 mi (8,196.34 km) |
| Portimao to Idylwood (Virginia) | 3,647.34 mi (5,869.82 km) |
| Portimao to Ilchester (Maryland) | 3,617.29 mi (5,821.46 km) |
| Portimao to Immokalee (Florida) | 4,242.08 mi (6,826.97 km) |
| Portimao to Imperial (California) | 5,697.59 mi (9,169.39 km) |
| Portimao to Imperial Beach (California) | 5,778.33 mi (9,299.32 km) |
| Portimao to Independence (Kentucky) | 4,009.83 mi (6,453.19 km) |
| Portimao to Independence (Missouri) | 4,476.99 mi (7,205.02 km) |
| Portimao to Indian Trail (North Carolina) | 3,925.52 mi (6,317.51 km) |
| Portimao to Indiana (Pennsylvania) | 3,701.13 mi (5,956.39 km) |
| Portimao to Indianapolis (Indiana) | 4,063.98 mi (6,540.34 km) |
