| Catonsville to Hebburn | 3,512.32 mi (5,652.53 km) |
| Catonsville to Heckmondwike | 3,529.59 mi (5,680.32 km) |
| Catonsville to Hednesford | 3,535.70 mi (5,690.15 km) |
| Catonsville to Helensburgh | 3,372.92 mi (5,428.20 km) |
| Catonsville to Hellesdon | 3,666.83 mi (5,901.20 km) |
| Catonsville to Helston | 3,451.75 mi (5,555.06 km) |
| Catonsville to Hemel Hempstead | 3,617.32 mi (5,821.51 km) |
| Catonsville to Hemsworth | 3,544.05 mi (5,703.60 km) |
| Catonsville to Hendon | 3,630.92 mi (5,843.39 km) |
| Catonsville to Henley on Thames | 3,604.31 mi (5,800.58 km) |
| Catonsville to Hereford | 3,519.65 mi (5,664.33 km) |
| Catonsville to Herne Bay | 3,690.86 mi (5,939.87 km) |
| Catonsville to Hersham | 3,628.48 mi (5,839.48 km) |
| Catonsville to Hertford | 3,632.26 mi (5,845.56 km) |
| Catonsville to Hessle | 3,577.85 mi (5,757.99 km) |
