| Oldenburg to Idar-Oberstein | 240.31 mi (386.74 km) |
| Oldenburg to Idstein | 202.00 mi (325.08 km) |
| Oldenburg to Illertissen | 350.10 mi (563.44 km) |
| Oldenburg to Illingen | 265.10 mi (426.63 km) |
| Oldenburg to Ilmenau | 205.36 mi (330.49 km) |
| Oldenburg to Ilsede | 102.32 mi (164.67 km) |
| Oldenburg to Ilsenburg | 136.27 mi (219.30 km) |
| Oldenburg to Ilsfeld | 286.40 mi (460.92 km) |
| Oldenburg to Ilvesheim | 254.13 mi (408.98 km) |
| Oldenburg to Immenstadt im Allgau | 395.29 mi (636.16 km) |
| Oldenburg to Ingelheim | 219.07 mi (352.57 km) |
| Oldenburg to Ingolstadt | 333.31 mi (536.41 km) |
| Oldenburg to Iserlohn | 123.83 mi (199.28 km) |
| Oldenburg to Isernhagen-Sud | 84.37 mi (135.78 km) |
| Oldenburg to Ismaning | 371.86 mi (598.46 km) |
