| Otopeni to Idar-Oberstein | 947.87 mi (1,525.45 km) |
| Otopeni to Idstein | 917.04 mi (1,475.84 km) |
| Otopeni to Illertissen | 801.22 mi (1,289.43 km) |
| Otopeni to Illingen | 953.57 mi (1,534.63 km) |
| Otopeni to Ilmenau | 820.83 mi (1,321.00 km) |
| Otopeni to Ilsede | 899.69 mi (1,447.91 km) |
| Otopeni to Ilsenburg | 867.52 mi (1,396.14 km) |
| Otopeni to Ilsfeld | 851.89 mi (1,370.98 km) |
| Otopeni to Ilvesheim | 889.32 mi (1,431.23 km) |
| Otopeni to Immenstadt im Allgau | 786.58 mi (1,265.88 km) |
| Otopeni to Ingelheim | 921.05 mi (1,482.29 km) |
| Otopeni to Ingolstadt | 751.50 mi (1,209.42 km) |
| Otopeni to Iserlohn | 969.68 mi (1,560.55 km) |
| Otopeni to Isernhagen-Sud | 917.39 mi (1,476.40 km) |
| Otopeni to Ismaning | 730.30 mi (1,175.31 km) |
