| Delaware to Idar-Oberstein | 4,191.68 mi (6,745.86 km) |
| Delaware to Idstein | 4,211.88 mi (6,778.37 km) |
| Delaware to Illertissen | 4,352.18 mi (7,004.16 km) |
| Delaware to Illingen | 4,192.67 mi (6,747.45 km) |
| Delaware to Ilmenau | 4,296.73 mi (6,914.91 km) |
| Delaware to Ilsede | 4,214.55 mi (6,782.66 km) |
| Delaware to Ilsenburg | 4,246.69 mi (6,834.38 km) |
| Delaware to Ilsfeld | 4,290.00 mi (6,904.09 km) |
| Delaware to Ilvesheim | 4,248.74 mi (6,837.68 km) |
| Delaware to Immenstadt im Allgau | 4,380.87 mi (7,050.33 km) |
| Delaware to Ingelheim | 4,211.77 mi (6,778.19 km) |
| Delaware to Ingolstadt | 4,384.82 mi (7,056.69 km) |
| Delaware to Iserlohn | 4,149.93 mi (6,678.67 km) |
| Delaware to Isernhagen-Sud | 4,196.88 mi (6,754.23 km) |
| Delaware to Ismaning | 4,414.07 mi (7,103.76 km) |
