| Garfield Heights to Oerlinghausen | 4,058.61 mi (6,531.70 km) |
| Garfield Heights to Oestrich-Winkel | 4,099.15 mi (6,596.94 km) |
| Garfield Heights to Offenburg | 4,149.02 mi (6,677.21 km) |
| Garfield Heights to Oftersheim | 4,143.38 mi (6,668.12 km) |
| Garfield Heights to Ohrdruf | 4,174.90 mi (6,718.86 km) |
| Garfield Heights to Ohringen | 4,184.94 mi (6,735.02 km) |
| Garfield Heights to Olbernhau | 4,277.81 mi (6,884.48 km) |
| Garfield Heights to Olching | 4,291.63 mi (6,906.71 km) |
| Garfield Heights to Oldenburg | 4,003.37 mi (6,442.80 km) |
| Garfield Heights to Oldenburg in Holstein | 4,061.59 mi (6,536.50 km) |
| Garfield Heights to Olfen | 4,018.61 mi (6,467.32 km) |
| Garfield Heights to Olpe | 4,058.67 mi (6,531.80 km) |
| Garfield Heights to Olsberg | 4,072.25 mi (6,553.65 km) |
| Garfield Heights to Oranienburg | 4,198.67 mi (6,757.11 km) |
| Garfield Heights to Ortenberg | 4,127.65 mi (6,642.81 km) |
