| Harrow to Hohenhameln | 445.78 mi (717.41 km) |
| Harrow to Hohenkirchen-Siegertsbrunn | 591.47 mi (951.88 km) |
| Harrow to Hohenmolsen | 536.94 mi (864.13 km) |
| Harrow to Hohenstein-Ernstthal | 567.47 mi (913.26 km) |
| Harrow to Hohr-Grenzhausen | 357.27 mi (574.97 km) |
| Harrow to Holzgerlingen | 461.37 mi (742.51 km) |
| Harrow to Holzkirchen | 594.67 mi (957.03 km) |
| Harrow to Holzminden | 419.40 mi (674.96 km) |
| Harrow to Holzwickede | 342.07 mi (550.51 km) |
| Harrow to Homburg | 372.16 mi (598.94 km) |
| Harrow to Hoppegarten | 597.94 mi (962.30 km) |
| Harrow to Horb am Neckar | 455.65 mi (733.30 km) |
| Harrow to Horn-Bad Meinberg | 398.78 mi (641.78 km) |
| Harrow to Horstel | 341.28 mi (549.24 km) |
| Harrow to Hosbach | 430.72 mi (693.18 km) |
