| Ypsilanti to Oerlinghausen | 4,093.63 mi (6,588.06 km) |
| Ypsilanti to Oestrich-Winkel | 4,138.54 mi (6,660.33 km) |
| Ypsilanti to Offenburg | 4,191.42 mi (6,745.43 km) |
| Ypsilanti to Oftersheim | 4,183.55 mi (6,732.78 km) |
| Ypsilanti to Ohrdruf | 4,210.67 mi (6,776.41 km) |
| Ypsilanti to Ohringen | 4,224.75 mi (6,799.08 km) |
| Ypsilanti to Olbernhau | 4,311.91 mi (6,939.35 km) |
| Ypsilanti to Olching | 4,331.90 mi (6,971.51 km) |
| Ypsilanti to Oldenburg | 4,036.32 mi (6,495.83 km) |
| Ypsilanti to Oldenburg in Holstein | 4,090.38 mi (6,582.83 km) |
| Ypsilanti to Olfen | 4,055.03 mi (6,525.94 km) |
| Ypsilanti to Olpe | 4,096.18 mi (6,592.16 km) |
| Ypsilanti to Olsberg | 4,108.63 mi (6,612.20 km) |
| Ypsilanti to Oranienburg | 4,228.86 mi (6,805.69 km) |
| Ypsilanti to Ortenberg | 4,165.57 mi (6,703.84 km) |
