| Howard to Idar-Oberstein | 4,182.44 mi (6,730.98 km) |
| Howard to Idstein | 4,196.69 mi (6,753.91 km) |
| Howard to Illertissen | 4,344.87 mi (6,992.39 km) |
| Howard to Illingen | 4,186.35 mi (6,737.28 km) |
| Howard to Ilmenau | 4,271.37 mi (6,874.10 km) |
| Howard to Ilsede | 4,180.88 mi (6,728.47 km) |
| Howard to Ilsenburg | 4,214.33 mi (6,782.30 km) |
| Howard to Ilsfeld | 4,279.75 mi (6,887.59 km) |
| Howard to Ilvesheim | 4,237.64 mi (6,819.82 km) |
| Howard to Immenstadt im Allgau | 4,377.26 mi (7,044.52 km) |
| Howard to Ingelheim | 4,198.78 mi (6,757.28 km) |
| Howard to Ingolstadt | 4,370.20 mi (7,033.16 km) |
| Howard to Iserlohn | 4,128.60 mi (6,644.35 km) |
| Howard to Isernhagen-Sud | 4,162.94 mi (6,699.61 km) |
| Howard to Ismaning | 4,402.08 mi (7,084.46 km) |
