| Twickenham to Hutchinson (Minnesota) | 4,049.92 mi (6,517.72 km) |
| Twickenham to Hutto (Texas) | 4,886.85 mi (7,864.62 km) |
| Twickenham to Hyattsville (Maryland) | 3,651.56 mi (5,876.62 km) |
| Twickenham to Hybla Valley (Virginia) | 3,666.33 mi (5,900.38 km) |
| Twickenham to Idaho Falls (Idaho) | 4,713.63 mi (7,585.85 km) |
| Twickenham to Idylwood (Virginia) | 3,665.03 mi (5,898.29 km) |
| Twickenham to Ilchester (Maryland) | 3,632.42 mi (5,845.81 km) |
| Twickenham to Immokalee (Florida) | 4,439.02 mi (7,143.92 km) |
| Twickenham to Imperial (California) | 5,417.81 mi (8,719.12 km) |
| Twickenham to Imperial Beach (California) | 5,484.42 mi (8,826.31 km) |
| Twickenham to Independence (Kentucky) | 3,957.74 mi (6,369.37 km) |
| Twickenham to Independence (Missouri) | 4,329.55 mi (6,967.74 km) |
| Twickenham to Indian Trail (North Carolina) | 3,982.63 mi (6,409.42 km) |
| Twickenham to Indiana (Pennsylvania) | 3,666.48 mi (5,900.63 km) |
| Twickenham to Indianapolis (Indiana) | 3,981.94 mi (6,408.31 km) |
