| Hickory to Oakley (California) | 2,219.63 mi (3,572.15 km) |
| Hickory to Oakton (Virginia) | 309.96 mi (498.83 km) |
| Hickory to Oakville (Missouri) | 529.68 mi (852.44 km) |
| Hickory to Oatfield (Oregon) | 2,239.23 mi (3,603.69 km) |
| Hickory to Ocala (Florida) | 456.02 mi (733.89 km) |
| Hickory to Ocean Acres (New Jersey) | 473.55 mi (762.10 km) |
| Hickory to Ocean City (New Jersey) | 441.47 mi (710.48 km) |
| Hickory to Ocean Pines (Maryland) | 386.18 mi (621.50 km) |
| Hickory to Ocean Pointe (Hawaii) | 4,648.77 mi (7,481.47 km) |
| Hickory to Ocean Springs (Mississippi) | 567.56 mi (913.39 km) |
| Hickory to Oceanside (California) | 2,045.45 mi (3,291.83 km) |
| Hickory to Oceanside (New York) | 536.71 mi (863.75 km) |
| Hickory to Ocoee (Florida) | 494.96 mi (796.56 km) |
| Hickory to Oconomowoc (Wisconsin) | 635.90 mi (1,023.39 km) |
| Hickory to Odenton (Maryland) | 342.43 mi (551.08 km) |
