| Ypsilanti to Orbetello | 4,556.26 mi (7,332.59 km) |
| Ypsilanti to Oria | 4,900.64 mi (7,886.83 km) |
| Ypsilanti to Oristano | 4,548.74 mi (7,320.49 km) |
| Ypsilanti to Orta Nova | 4,786.61 mi (7,703.31 km) |
| Ypsilanti to Orte | 4,603.57 mi (7,408.72 km) |
| Ypsilanti to Ortona | 4,690.03 mi (7,547.87 km) |
| Ypsilanti to Orvieto | 4,581.68 mi (7,373.50 km) |
| Ypsilanti to Orzinuovi | 4,386.24 mi (7,058.98 km) |
| Ypsilanti to Osimo | 4,605.69 mi (7,412.14 km) |
| Ypsilanti to Ospitaletto | 4,385.79 mi (7,058.25 km) |
| Ypsilanti to Ostuni | 4,888.32 mi (7,866.99 km) |
| Ypsilanti to Ottaviano | 4,756.92 mi (7,655.52 km) |
| Ypsilanti to Ovada | 4,363.76 mi (7,022.80 km) |
| Ypsilanti to Ozieri | 4,538.91 mi (7,304.67 km) |
| Ypsilanti to Paceco | 4,798.52 mi (7,722.47 km) |
