| Ii to Oestrich-Winkel | 1,228.48 mi (1,977.04 km) |
| Ii to Offenburg | 1,327.03 mi (2,135.65 km) |
| Ii to Oftersheim | 1,258.01 mi (2,024.57 km) |
| Ii to Ohrdruf | 1,128.63 mi (1,816.36 km) |
| Ii to Ohringen | 1,253.40 mi (2,017.15 km) |
| Ii to Olbernhau | 1,099.65 mi (1,769.72 km) |
| Ii to Olching | 1,290.02 mi (2,076.09 km) |
| Ii to Oldenburg | 1,029.61 mi (1,657.00 km) |
| Ii to Oldenburg in Holstein | 907.82 mi (1,460.99 km) |
| Ii to Olfen | 1,133.14 mi (1,823.61 km) |
| Ii to Olpe | 1,167.82 mi (1,879.43 km) |
| Ii to Olsberg | 1,134.91 mi (1,826.46 km) |
| Ii to Oranienburg | 965.40 mi (1,553.66 km) |
| Ii to Ortenberg | 1,187.17 mi (1,910.56 km) |
| Ii to Oschatz | 1,061.48 mi (1,708.28 km) |
