| Ionia to Hennef | 4,103.67 mi (6,604.21 km) |
| Ionia to Hennigsdorf | 4,245.80 mi (6,832.96 km) |
| Ionia to Henstedt-Ulzburg | 4,091.57 mi (6,584.74 km) |
| Ionia to Heppenheim | 4,196.56 mi (6,753.71 km) |
| Ionia to Herbolzheim | 4,217.75 mi (6,787.82 km) |
| Ionia to Herborn | 4,145.23 mi (6,671.11 km) |
| Ionia to Herbrechtingen | 4,293.36 mi (6,909.49 km) |
| Ionia to Herdecke | 4,086.78 mi (6,577.04 km) |
| Ionia to Herford | 4,105.48 mi (6,607.14 km) |
| Ionia to Herne | 4,073.41 mi (6,555.53 km) |
| Ionia to Herrenberg | 4,245.20 mi (6,831.99 km) |
| Ionia to Herrsching am Ammersee | 4,356.12 mi (7,010.49 km) |
| Ionia to Hersbruck | 4,305.54 mi (6,929.09 km) |
| Ionia to Herten | 4,068.56 mi (6,547.71 km) |
| Ionia to Herxheim | 4,199.56 mi (6,758.54 km) |