| Wentzville to Orangeburg (South Carolina) | 667.53 mi (1,074.29 km) |
| Wentzville to Orangevale (California) | 1,627.99 mi (2,620.00 km) |
| Wentzville to Orchards (Washington) | 1,675.23 mi (2,696.02 km) |
| Wentzville to Orcutt (California) | 1,649.45 mi (2,654.53 km) |
| Wentzville to Oregon (Ohio) | 438.21 mi (705.23 km) |
| Wentzville to Oregon (Wisconsin) | 294.27 mi (473.58 km) |
| Wentzville to Oregon City (Oregon) | 1,676.24 mi (2,697.65 km) |
| Wentzville to Orem (Utah) | 1,111.90 mi (1,789.43 km) |
| Wentzville to Orinda (California) | 1,689.62 mi (2,719.18 km) |
| Wentzville to Orland Park (Illinois) | 249.68 mi (401.82 km) |
| Wentzville to Orlando (Florida) | 899.20 mi (1,447.11 km) |
| Wentzville to Ormond Beach (Florida) | 861.92 mi (1,387.13 km) |
| Wentzville to Oro Valley (Arizona) | 1,209.61 mi (1,946.68 km) |
| Wentzville to Oroville (California) | 1,637.27 mi (2,634.94 km) |
| Wentzville to Oshkosh (Wisconsin) | 379.06 mi (610.03 km) |
