| Ada to Hohenhameln | 637.03 mi (1,025.19 km) |
| Ada to Hohenkirchen-Siegertsbrunn | 424.77 mi (683.61 km) |
| Ada to Hohenmolsen | 521.36 mi (839.04 km) |
| Ada to Hohenstein-Ernstthal | 484.88 mi (780.34 km) |
| Ada to Hohr-Grenzhausen | 656.83 mi (1,057.07 km) |
| Ada to Holzgerlingen | 556.96 mi (896.34 km) |
| Ada to Holzkirchen | 423.49 mi (681.54 km) |
| Ada to Holzminden | 639.09 mi (1,028.52 km) |
| Ada to Holzwickede | 692.46 mi (1,114.40 km) |
| Ada to Homburg | 643.36 mi (1,035.39 km) |
| Ada to Hoppegarten | 547.91 mi (881.77 km) |
| Ada to Horb am Neckar | 567.48 mi (913.27 km) |
| Ada to Horn-Bad Meinberg | 657.91 mi (1,058.81 km) |
| Ada to Horstel | 722.44 mi (1,162.65 km) |
| Ada to Hosbach | 582.87 mi (938.04 km) |
