| Port Talbot to Hutchinson (Minnesota) | 3,919.91 mi (6,308.49 km) |
| Port Talbot to Hutto (Texas) | 4,746.86 mi (7,639.34 km) |
| Port Talbot to Hyattsville (Maryland) | 3,506.51 mi (5,643.19 km) |
| Port Talbot to Hybla Valley (Virginia) | 3,521.21 mi (5,666.84 km) |
| Port Talbot to Idaho Falls (Idaho) | 4,597.10 mi (7,398.32 km) |
| Port Talbot to Idylwood (Virginia) | 3,520.04 mi (5,664.95 km) |
| Port Talbot to Ilchester (Maryland) | 3,487.45 mi (5,612.52 km) |
| Port Talbot to Immokalee (Florida) | 4,290.64 mi (6,905.12 km) |
| Port Talbot to Imperial (California) | 5,294.37 mi (8,520.47 km) |
| Port Talbot to Imperial Beach (California) | 5,362.34 mi (8,629.86 km) |
| Port Talbot to Independence (Kentucky) | 3,816.10 mi (6,141.42 km) |
| Port Talbot to Independence (Missouri) | 4,193.82 mi (6,749.30 km) |
| Port Talbot to Indian Trail (North Carolina) | 3,836.90 mi (6,174.90 km) |
| Port Talbot to Indiana (Pennsylvania) | 3,523.45 mi (5,670.44 km) |
| Port Talbot to Indianapolis (Indiana) | 3,841.77 mi (6,182.73 km) |
