| Twickenham to Harrison (Wisconsin) | 3,860.18 mi (6,212.36 km) |
| Twickenham to Harrisonburg (Virginia) | 3,753.54 mi (6,040.74 km) |
| Twickenham to Hartford (Connecticut) | 3,354.91 mi (5,399.20 km) |
| Twickenham to Hartford (Wisconsin) | 3,903.17 mi (6,281.54 km) |
| Twickenham to Hartselle (Alabama) | 4,269.14 mi (6,870.52 km) |
| Twickenham to Hartsville (Tennessee) | 4,143.01 mi (6,667.52 km) |
| Twickenham to Harvey (Illinois) | 3,954.85 mi (6,364.71 km) |
| Twickenham to Harvey (Louisiana) | 4,622.73 mi (7,439.56 km) |
| Twickenham to Hasbrouck Heights (New Jersey) | 3,450.25 mi (5,552.64 km) |
| Twickenham to Haslett (Michigan) | 3,777.73 mi (6,079.68 km) |
| Twickenham to Hastings (Minnesota) | 4,002.55 mi (6,441.49 km) |
| Twickenham to Hastings (Nebraska) | 4,403.29 mi (7,086.41 km) |
| Twickenham to Hattiesburg (Mississippi) | 4,520.55 mi (7,275.12 km) |
| Twickenham to Hauppauge (New York) | 3,416.68 mi (5,498.62 km) |
| Twickenham to Havelock (North Carolina) | 3,835.14 mi (6,172.06 km) |
