| Enid to Idar-Oberstein | 4,943.86 mi (7,956.37 km) |
| Enid to Idstein | 4,958.41 mi (7,979.79 km) |
| Enid to Illertissen | 5,106.22 mi (8,217.67 km) |
| Enid to Illingen | 4,947.56 mi (7,962.33 km) |
| Enid to Ilmenau | 5,033.22 mi (8,100.19 km) |
| Enid to Ilsede | 4,942.50 mi (7,954.19 km) |
| Enid to Ilsenburg | 4,976.01 mi (8,008.11 km) |
| Enid to Ilsfeld | 5,041.26 mi (8,113.13 km) |
| Enid to Ilvesheim | 4,999.19 mi (8,045.42 km) |
| Enid to Immenstadt im Allgau | 5,138.34 mi (8,269.36 km) |
| Enid to Ingelheim | 4,960.41 mi (7,983.01 km) |
| Enid to Ingolstadt | 5,131.95 mi (8,259.07 km) |
| Enid to Iserlohn | 4,890.46 mi (7,870.44 km) |
| Enid to Isernhagen-Sud | 4,924.57 mi (7,925.32 km) |
| Enid to Ismaning | 5,163.72 mi (8,310.20 km) |