| Conroe to Hamilton | 4,566.65 mi (7,349.31 km) |
| Conroe to Hammersmith | 4,820.49 mi (7,757.84 km) |
| Conroe to Hampton | 4,816.77 mi (7,751.84 km) |
| Conroe to Hamworthy | 4,770.16 mi (7,676.83 km) |
| Conroe to Handsworth | 4,724.34 mi (7,603.10 km) |
| Conroe to Hanwell | 4,815.51 mi (7,749.81 km) |
| Conroe to Harborne | 4,726.80 mi (7,607.05 km) |
| Conroe to Harlow | 4,826.32 mi (7,767.21 km) |
| Conroe to Harpenden | 4,806.44 mi (7,735.22 km) |
| Conroe to Harrogate | 4,703.03 mi (7,568.79 km) |
| Conroe to Harrow | 4,813.12 mi (7,745.97 km) |
| Conroe to Harrow on the Hill | 4,814.16 mi (7,747.64 km) |
| Conroe to Harrow Weald | 4,812.85 mi (7,745.53 km) |
| Conroe to Hartlepool | 4,697.36 mi (7,559.67 km) |
| Conroe to Harwich | 4,866.25 mi (7,831.47 km) |
