| Wilmington to Oakleaf Plantation (Florida) | 362.17 mi (582.86 km) |
| Wilmington to Oakley (California) | 2,437.09 mi (3,922.12 km) |
| Wilmington to Oakton (Virginia) | 324.90 mi (522.87 km) |
| Wilmington to Oakville (Missouri) | 750.66 mi (1,208.07 km) |
| Wilmington to Oatfield (Oregon) | 2,460.40 mi (3,959.63 km) |
| Wilmington to Ocala (Florida) | 428.53 mi (689.64 km) |
| Wilmington to Ocean Acres (New Jersey) | 430.91 mi (693.49 km) |
| Wilmington to Ocean City (New Jersey) | 393.90 mi (633.92 km) |
| Wilmington to Ocean Pines (Maryland) | 326.25 mi (525.04 km) |
| Wilmington to Ocean Pointe (Hawaii) | 4,860.78 mi (7,822.66 km) |
| Wilmington to Ocean Springs (Mississippi) | 688.07 mi (1,107.34 km) |
| Wilmington to Oceanside (California) | 2,252.36 mi (3,624.82 km) |
| Wilmington to Oceanside (New York) | 501.16 mi (806.55 km) |
| Wilmington to Ocoee (Florida) | 444.42 mi (715.22 km) |
| Wilmington to Oconomowoc (Wisconsin) | 838.21 mi (1,348.97 km) |
