| Sylacauga to Oerlinghausen | 4,646.38 mi (7,477.62 km) |
| Sylacauga to Oestrich-Winkel | 4,678.53 mi (7,529.36 km) |
| Sylacauga to Offenburg | 4,721.98 mi (7,599.29 km) |
| Sylacauga to Oftersheim | 4,721.02 mi (7,597.75 km) |
| Sylacauga to Ohrdruf | 4,761.01 mi (7,662.10 km) |
| Sylacauga to Ohringen | 4,763.20 mi (7,665.63 km) |
| Sylacauga to Olbernhau | 4,866.65 mi (7,832.11 km) |
| Sylacauga to Olching | 4,868.61 mi (7,835.28 km) |
| Sylacauga to Oldenburg | 4,594.88 mi (7,394.75 km) |
| Sylacauga to Oldenburg in Holstein | 4,659.58 mi (7,498.87 km) |
| Sylacauga to Olfen | 4,603.95 mi (7,409.34 km) |
| Sylacauga to Olpe | 4,641.86 mi (7,470.35 km) |
| Sylacauga to Olsberg | 4,657.50 mi (7,495.53 km) |
| Sylacauga to Oranienburg | 4,794.21 mi (7,715.53 km) |
| Sylacauga to Ortenberg | 4,709.83 mi (7,579.74 km) |
