| Webster Groves to Ondokuzmayis | 5,958.84 mi (9,589.83 km) |
| Webster Groves to Ordu | 6,044.83 mi (9,728.22 km) |
| Webster Groves to Ortahisar | 6,071.54 mi (9,771.20 km) |
| Webster Groves to Ortakent | 5,873.67 mi (9,452.76 km) |
| Webster Groves to Ortaklar | 5,842.81 mi (9,403.09 km) |
| Webster Groves to Ortakoy | 6,036.75 mi (9,715.21 km) |
| Webster Groves to Ortakoy | 5,996.76 mi (9,650.85 km) |
| Webster Groves to Osmaneli | 5,811.41 mi (9,352.57 km) |
| Webster Groves to Osmaniye | 6,202.06 mi (9,981.25 km) |
| Webster Groves to Ozdere | 5,822.06 mi (9,369.70 km) |
| Webster Groves to Palu | 6,236.58 mi (10,036.81 km) |
| Webster Groves to Pamukkale | 5,901.82 mi (9,498.06 km) |
| Webster Groves to Patnos | 6,298.10 mi (10,135.81 km) |
| Webster Groves to Pazar | 6,032.74 mi (9,708.75 km) |
| Webster Groves to Pazarcik | 6,215.72 mi (10,003.24 km) |
