| Gretna to Heswall | 4,469.86 mi (7,193.55 km) |
| Gretna to Hetton le Hole | 4,503.60 mi (7,247.84 km) |
| Gretna to Hexham | 4,475.79 mi (7,203.09 km) |
| Gretna to Heysham | 4,463.66 mi (7,183.57 km) |
| Gretna to Heywood | 4,499.18 mi (7,240.73 km) |
| Gretna to High Blantyre | 4,384.94 mi (7,056.87 km) |
| Gretna to High Wycombe | 4,600.19 mi (7,403.28 km) |
| Gretna to Highbury | 4,628.31 mi (7,448.55 km) |
| Gretna to Highgate | 4,625.92 mi (7,444.70 km) |
| Gretna to Hilsea | 4,605.20 mi (7,411.36 km) |
| Gretna to Hinckley | 4,554.81 mi (7,330.26 km) |
| Gretna to Hindley | 4,486.69 mi (7,220.63 km) |
| Gretna to Hipperholme | 4,512.27 mi (7,261.80 km) |
| Gretna to Hitchin | 4,611.70 mi (7,421.81 km) |
| Gretna to Hockley | 4,656.76 mi (7,494.33 km) |
