| Fairborn to Oerlinghausen | 4,226.97 mi (6,802.65 km) |
| Fairborn to Oestrich-Winkel | 4,267.74 mi (6,868.26 km) |
| Fairborn to Offenburg | 4,317.62 mi (6,948.54 km) |
| Fairborn to Oftersheim | 4,311.98 mi (6,939.46 km) |
| Fairborn to Ohrdruf | 4,343.33 mi (6,989.91 km) |
| Fairborn to Ohringen | 4,353.54 mi (7,006.35 km) |
| Fairborn to Olbernhau | 4,446.11 mi (7,155.32 km) |
| Fairborn to Olching | 4,460.24 mi (7,178.06 km) |
| Fairborn to Oldenburg | 4,171.54 mi (6,713.45 km) |
| Fairborn to Oldenburg in Holstein | 4,229.22 mi (6,806.27 km) |
| Fairborn to Olfen | 4,187.07 mi (6,738.44 km) |
| Fairborn to Olpe | 4,227.19 mi (6,803.01 km) |
| Fairborn to Olsberg | 4,240.71 mi (6,824.76 km) |
| Fairborn to Oranienburg | 4,366.52 mi (7,027.23 km) |
| Fairborn to Ortenberg | 4,296.19 mi (6,914.05 km) |
