| Catonsville to Hohenhameln | 4,021.59 mi (6,472.13 km) |
| Catonsville to Hohenkirchen-Siegertsbrunn | 4,217.28 mi (6,787.05 km) |
| Catonsville to Hohenmolsen | 4,132.93 mi (6,651.30 km) |
| Catonsville to Hohenstein-Ernstthal | 4,168.03 mi (6,707.80 km) |
| Catonsville to Hohr-Grenzhausen | 3,979.37 mi (6,404.17 km) |
| Catonsville to Holzgerlingen | 4,086.28 mi (6,576.23 km) |
| Catonsville to Holzkirchen | 4,220.22 mi (6,791.78 km) |
| Catonsville to Holzminden | 4,010.01 mi (6,453.49 km) |
| Catonsville to Holzwickede | 3,947.51 mi (6,352.91 km) |
| Catonsville to Homburg | 3,997.51 mi (6,433.37 km) |
| Catonsville to Hoppegarten | 4,150.79 mi (6,680.05 km) |
| Catonsville to Horb am Neckar | 4,078.97 mi (6,564.47 km) |
| Catonsville to Horn-Bad Meinberg | 3,989.75 mi (6,420.89 km) |
| Catonsville to Horstel | 3,924.60 mi (6,316.04 km) |
| Catonsville to Hosbach | 4,053.33 mi (6,523.21 km) |
