| Clemmons to Orangevale (California) | 2,231.56 mi (3,591.35 km) |
| Clemmons to Orchards (Washington) | 2,272.05 mi (3,656.50 km) |
| Clemmons to Orcutt (California) | 2,238.86 mi (3,603.09 km) |
| Clemmons to Oregon (Ohio) | 421.44 mi (678.24 km) |
| Clemmons to Oregon (Wisconsin) | 675.53 mi (1,087.17 km) |
| Clemmons to Oregon City (Oregon) | 2,274.36 mi (3,660.22 km) |
| Clemmons to Orem (Utah) | 1,717.19 mi (2,763.54 km) |
| Clemmons to Orinda (California) | 2,291.67 mi (3,688.09 km) |
| Clemmons to Orland Park (Illinois) | 556.68 mi (895.90 km) |
| Clemmons to Orlando (Florida) | 524.91 mi (844.76 km) |
| Clemmons to Ormond Beach (Florida) | 467.08 mi (751.70 km) |
| Clemmons to Oro Valley (Arizona) | 1,757.99 mi (2,829.21 km) |
| Clemmons to Oroville (California) | 2,242.25 mi (3,608.55 km) |
| Clemmons to Oshkosh (Wisconsin) | 700.61 mi (1,127.53 km) |
| Clemmons to Oskaloosa (Iowa) | 753.42 mi (1,212.52 km) |
