| Oulu to Idstein | 1,195.21 mi (1,923.51 km) |
| Oulu to Illertissen | 1,291.66 mi (2,078.72 km) |
| Oulu to Illingen | 1,271.07 mi (2,045.59 km) |
| Oulu to Ilmenau | 1,119.24 mi (1,801.24 km) |
| Oulu to Ilsede | 1,032.14 mi (1,661.07 km) |
| Oulu to Ilsenburg | 1,048.24 mi (1,686.97 km) |
| Oulu to Ilsfeld | 1,251.91 mi (2,014.75 km) |
| Oulu to Ilvesheim | 1,237.01 mi (1,990.77 km) |
| Oulu to Immenstadt im Allgau | 1,331.72 mi (2,143.20 km) |
| Oulu to Ingelheim | 1,214.68 mi (1,954.84 km) |
| Oulu to Ingolstadt | 1,235.17 mi (1,987.81 km) |
| Oulu to Iserlohn | 1,134.63 mi (1,826.01 km) |
| Oulu to Isernhagen-Sud | 1,027.76 mi (1,654.01 km) |
| Oulu to Ismaning | 1,266.50 mi (2,038.24 km) |
| Oulu to Isny im Allgau | 1,326.38 mi (2,134.61 km) |
