| Towson to Idar-Oberstein | 3,974.57 mi (6,396.45 km) |
| Towson to Idstein | 3,998.84 mi (6,435.51 km) |
| Towson to Illertissen | 4,132.49 mi (6,650.61 km) |
| Towson to Illingen | 3,973.48 mi (6,394.71 km) |
| Towson to Ilmenau | 4,090.34 mi (6,582.77 km) |
| Towson to Ilsede | 4,014.92 mi (6,461.39 km) |
| Towson to Ilsenburg | 4,045.83 mi (6,511.13 km) |
| Towson to Ilsfeld | 4,072.85 mi (6,554.62 km) |
| Towson to Ilvesheim | 4,032.49 mi (6,489.67 km) |
| Towson to Immenstadt im Allgau | 4,158.39 mi (6,692.29 km) |
| Towson to Ingelheim | 3,997.15 mi (6,432.80 km) |
| Towson to Ingolstadt | 4,170.05 mi (6,711.05 km) |
| Towson to Iserlohn | 3,941.79 mi (6,343.70 km) |
| Towson to Isernhagen-Sud | 3,997.60 mi (6,433.51 km) |
| Towson to Ismaning | 4,197.22 mi (6,754.78 km) |
