| Gretna to Heist-op-den-Berg | 4,833.63 mi (7,778.97 km) |
| Gretna to Hemiksem | 4,817.19 mi (7,752.51 km) |
| Gretna to Herent | 4,836.55 mi (7,783.67 km) |
| Gretna to Herentals | 4,835.56 mi (7,782.08 km) |
| Gretna to Herenthout | 4,833.81 mi (7,779.27 km) |
| Gretna to Herk-de-Stad | 4,855.51 mi (7,814.20 km) |
| Gretna to Herselt | 4,841.18 mi (7,791.13 km) |
| Gretna to Herstal | 4,881.76 mi (7,856.43 km) |
| Gretna to Herve | 4,889.37 mi (7,868.68 km) |
| Gretna to Herzele | 4,805.61 mi (7,733.88 km) |
| Gretna to Heule | 4,780.72 mi (7,693.83 km) |
| Gretna to Heusden | 4,798.42 mi (7,722.31 km) |
| Gretna to Hoboken | 4,817.41 mi (7,752.87 km) |
| Gretna to Hoeilaart | 4,832.20 mi (7,776.68 km) |
| Gretna to Hoeselt | 4,870.64 mi (7,838.55 km) |
