| Southlake to Oberkirch | 5,170.50 mi (8,321.11 km) |
| Southlake to Obernburg am Main | 5,161.08 mi (8,305.95 km) |
| Southlake to Obernkirchen | 5,068.70 mi (8,157.28 km) |
| Southlake to Oberschleissheim | 5,313.74 mi (8,551.63 km) |
| Southlake to Oberstdorf | 5,298.09 mi (8,526.45 km) |
| Southlake to Obertraubling | 5,307.39 mi (8,541.42 km) |
| Southlake to Obertshausen | 5,141.04 mi (8,273.70 km) |
| Southlake to Oberursel | 5,126.37 mi (8,250.10 km) |
| Southlake to Ochsenfurt | 5,202.73 mi (8,372.98 km) |
| Southlake to Ochsenhausen | 5,259.50 mi (8,464.35 km) |
| Southlake to Ochtrup | 5,001.86 mi (8,049.72 km) |
| Southlake to Odenthal | 5,041.62 mi (8,113.70 km) |
| Southlake to Oelde | 5,050.10 mi (8,127.35 km) |
| Southlake to Oelsnitz | 5,249.26 mi (8,447.86 km) |
| Southlake to Oer-Erkenschwick | 5,024.44 mi (8,086.05 km) |
