| Boone to Orangevale (California) | 2,159.57 mi (3,475.49 km) |
| Boone to Orchards (Washington) | 2,204.04 mi (3,547.07 km) |
| Boone to Orcutt (California) | 2,166.31 mi (3,486.34 km) |
| Boone to Oregon (Ohio) | 387.72 mi (623.97 km) |
| Boone to Oregon (Wisconsin) | 619.42 mi (996.86 km) |
| Boone to Oregon City (Oregon) | 2,206.07 mi (3,550.33 km) |
| Boone to Orem (Utah) | 1,645.61 mi (2,648.36 km) |
| Boone to Orinda (California) | 2,219.50 mi (3,571.94 km) |
| Boone to Orland Park (Illinois) | 499.67 mi (804.14 km) |
| Boone to Orlando (Florida) | 534.70 mi (860.52 km) |
| Boone to Ormond Beach (Florida) | 478.74 mi (770.46 km) |
| Boone to Oro Valley (Arizona) | 1,686.45 mi (2,714.08 km) |
| Boone to Oroville (California) | 2,170.54 mi (3,493.14 km) |
| Boone to Oshkosh (Wisconsin) | 650.63 mi (1,047.09 km) |
| Boone to Oskaloosa (Iowa) | 686.86 mi (1,105.40 km) |
