| Ionia to Oschatz | 4,295.11 mi (6,912.32 km) |
| Ionia to Oschersleben | 4,201.46 mi (6,761.60 km) |
| Ionia to Osnabruck | 4,077.23 mi (6,561.67 km) |
| Ionia to Ostbevern | 4,078.69 mi (6,564.02 km) |
| Ionia to Osterburg | 4,190.32 mi (6,743.67 km) |
| Ionia to Ostercappeln | 4,081.41 mi (6,568.40 km) |
| Ionia to Osterhofen | 4,396.33 mi (7,075.20 km) |
| Ionia to Osterholz-Scharmbeck | 4,070.23 mi (6,550.40 km) |
| Ionia to Osternienburg | 4,236.94 mi (6,818.70 km) |
| Ionia to Osterode | 4,176.86 mi (6,722.01 km) |
| Ionia to Osterwieck | 4,184.44 mi (6,734.20 km) |
| Ionia to Ostfildern | 4,254.31 mi (6,846.65 km) |
| Ionia to Osthofen | 4,182.50 mi (6,731.09 km) |
| Ionia to Ostrhauderfehn | 4,031.88 mi (6,488.69 km) |
| Ionia to Ostringen | 4,215.33 mi (6,783.92 km) |
