| Derry to Oakley (California) | 4,938.31 mi (7,947.45 km) |
| Derry to Oakton (Virginia) | 3,326.54 mi (5,353.54 km) |
| Derry to Oakville (Missouri) | 3,845.15 mi (6,188.16 km) |
| Derry to Oatfield (Oregon) | 4,539.42 mi (7,305.49 km) |
| Derry to Ocala (Florida) | 4,004.39 mi (6,444.44 km) |
| Derry to Ocean Acres (New Jersey) | 3,168.35 mi (5,098.97 km) |
| Derry to Ocean City (New Jersey) | 3,203.23 mi (5,155.09 km) |
| Derry to Ocean Pines (Maryland) | 3,266.51 mi (5,256.94 km) |
| Derry to Ocean Pointe (Hawaii) | 6,887.85 mi (11,084.92 km) |
| Derry to Ocean Springs (Mississippi) | 4,199.40 mi (6,758.27 km) |
| Derry to Oceanside (California) | 5,074.66 mi (8,166.88 km) |
| Derry to Oceanside (New York) | 3,101.84 mi (4,991.93 km) |
| Derry to Ocoee (Florida) | 4,011.37 mi (6,455.68 km) |
| Derry to Oconomowoc (Wisconsin) | 3,550.44 mi (5,713.89 km) |
| Derry to Odenton (Maryland) | 3,294.43 mi (5,301.87 km) |
