| Portishead to Hutchinson (Minnesota) | 3,961.45 mi (6,375.34 km) |
| Portishead to Hutto (Texas) | 4,790.71 mi (7,709.90 km) |
| Portishead to Hyattsville (Maryland) | 3,551.30 mi (5,715.27 km) |
| Portishead to Hybla Valley (Virginia) | 3,566.01 mi (5,738.94 km) |
| Portishead to Idaho Falls (Idaho) | 4,635.27 mi (7,459.75 km) |
| Portishead to Idylwood (Virginia) | 3,564.82 mi (5,737.02 km) |
| Portishead to Ilchester (Maryland) | 3,532.23 mi (5,684.58 km) |
| Portishead to Immokalee (Florida) | 4,335.77 mi (6,977.74 km) |
| Portishead to Imperial (California) | 5,334.35 mi (8,584.80 km) |
| Portishead to Imperial Beach (California) | 5,401.98 mi (8,693.64 km) |
| Portishead to Independence (Kentucky) | 3,860.27 mi (6,212.50 km) |
| Portishead to Independence (Missouri) | 4,236.72 mi (6,818.34 km) |
| Portishead to Indian Trail (North Carolina) | 3,881.80 mi (6,247.15 km) |
| Portishead to Indiana (Pennsylvania) | 3,567.88 mi (5,741.95 km) |
| Portishead to Indianapolis (Indiana) | 3,885.64 mi (6,253.33 km) |
