| Catonsville to Heswall | 3,480.12 mi (5,600.71 km) |
| Catonsville to Hetton le Hole | 3,517.50 mi (5,660.87 km) |
| Catonsville to Hexham | 3,489.80 mi (5,616.29 km) |
| Catonsville to Heysham | 3,475.32 mi (5,592.99 km) |
| Catonsville to Heywood | 3,510.18 mi (5,649.08 km) |
| Catonsville to High Blantyre | 3,400.28 mi (5,472.23 km) |
| Catonsville to High Wycombe | 3,608.63 mi (5,807.53 km) |
| Catonsville to Highbury | 3,636.83 mi (5,852.92 km) |
| Catonsville to Highgate | 3,634.45 mi (5,849.09 km) |
| Catonsville to Hilsea | 3,612.76 mi (5,814.18 km) |
| Catonsville to Hinckley | 3,564.31 mi (5,736.20 km) |
| Catonsville to Hindley | 3,497.48 mi (5,628.65 km) |
| Catonsville to Hipperholme | 3,523.67 mi (5,670.79 km) |
| Catonsville to Hitchin | 3,620.67 mi (5,826.90 km) |
| Catonsville to Hockley | 3,665.54 mi (5,899.11 km) |
