| Fairmont to Oerlinghausen | 4,097.01 mi (6,593.50 km) |
| Fairmont to Oestrich-Winkel | 4,131.64 mi (6,649.24 km) |
| Fairmont to Offenburg | 4,177.33 mi (6,722.77 km) |
| Fairmont to Oftersheim | 4,174.73 mi (6,718.58 km) |
| Fairmont to Ohrdruf | 4,212.13 mi (6,778.76 km) |
| Fairmont to Ohringen | 4,216.72 mi (6,786.16 km) |
| Fairmont to Olbernhau | 4,317.08 mi (6,947.67 km) |
| Fairmont to Olching | 4,322.62 mi (6,956.58 km) |
| Fairmont to Oldenburg | 4,044.60 mi (6,509.15 km) |
| Fairmont to Oldenburg in Holstein | 4,108.11 mi (6,611.36 km) |
| Fairmont to Olfen | 4,055.22 mi (6,526.25 km) |
| Fairmont to Olpe | 4,093.77 mi (6,588.28 km) |
| Fairmont to Olsberg | 4,108.82 mi (6,612.51 km) |
| Fairmont to Oranienburg | 4,243.16 mi (6,828.70 km) |
| Fairmont to Ortenberg | 4,162.07 mi (6,698.21 km) |
