| Sylacauga to Oberkirch | 4,726.12 mi (7,605.95 km) |
| Sylacauga to Obernburg am Main | 4,729.02 mi (7,610.62 km) |
| Sylacauga to Obernkirchen | 4,654.80 mi (7,491.17 km) |
| Sylacauga to Oberschleissheim | 4,877.09 mi (7,848.92 km) |
| Sylacauga to Oberstdorf | 4,851.88 mi (7,808.34 km) |
| Sylacauga to Obertraubling | 4,877.55 mi (7,849.66 km) |
| Sylacauga to Obertshausen | 4,709.81 mi (7,579.70 km) |
| Sylacauga to Oberursel | 4,695.47 mi (7,556.62 km) |
| Sylacauga to Ochsenfurt | 4,771.82 mi (7,679.50 km) |
| Sylacauga to Ochsenhausen | 4,816.98 mi (7,752.17 km) |
| Sylacauga to Ochtrup | 4,582.54 mi (7,374.89 km) |
| Sylacauga to Odenthal | 4,613.11 mi (7,424.09 km) |
| Sylacauga to Oelde | 4,630.35 mi (7,451.83 km) |
| Sylacauga to Oelsnitz | 4,829.88 mi (7,772.93 km) |
| Sylacauga to Oer-Erkenschwick | 4,600.92 mi (7,404.46 km) |
