| Euclid to Idar-Oberstein | 4,071.12 mi (6,551.84 km) |
| Euclid to Idstein | 4,091.13 mi (6,584.04 km) |
| Euclid to Illertissen | 4,231.72 mi (6,810.30 km) |
| Euclid to Illingen | 4,072.21 mi (6,553.59 km) |
| Euclid to Ilmenau | 4,175.71 mi (6,720.16 km) |
| Euclid to Ilsede | 4,093.37 mi (6,587.64 km) |
| Euclid to Ilsenburg | 4,125.53 mi (6,639.40 km) |
| Euclid to Ilsfeld | 4,169.42 mi (6,710.04 km) |
| Euclid to Ilvesheim | 4,128.12 mi (6,643.57 km) |
| Euclid to Immenstadt im Allgau | 4,260.56 mi (6,856.71 km) |
| Euclid to Ingelheim | 4,091.08 mi (6,583.96 km) |
| Euclid to Ingolstadt | 4,264.12 mi (6,862.43 km) |
| Euclid to Iserlohn | 4,029.00 mi (6,484.04 km) |
| Euclid to Isernhagen-Sud | 4,075.69 mi (6,559.20 km) |
| Euclid to Ismaning | 4,293.46 mi (6,909.65 km) |
