| Catonsville to Hennef | 3,954.07 mi (6,363.46 km) |
| Catonsville to Hennigsdorf | 4,129.66 mi (6,646.04 km) |
| Catonsville to Henstedt-Ulzburg | 3,976.09 mi (6,398.89 km) |
| Catonsville to Heppenheim | 4,041.21 mi (6,503.70 km) |
| Catonsville to Herbolzheim | 4,047.81 mi (6,514.33 km) |
| Catonsville to Herborn | 3,997.76 mi (6,433.77 km) |
| Catonsville to Herbrechtingen | 4,134.34 mi (6,653.57 km) |
| Catonsville to Herdecke | 3,943.02 mi (6,345.67 km) |
| Catonsville to Herford | 3,971.73 mi (6,391.89 km) |
| Catonsville to Herne | 3,930.36 mi (6,325.30 km) |
| Catonsville to Herrenberg | 4,081.81 mi (6,569.04 km) |
| Catonsville to Herrsching am Ammersee | 4,195.29 mi (6,751.67 km) |
| Catonsville to Hersbruck | 4,157.79 mi (6,691.32 km) |
| Catonsville to Herten | 3,925.71 mi (6,317.81 km) |
| Catonsville to Herxheim | 4,038.74 mi (6,499.73 km) |
