| Derry to Odessa (Texas) | 4,631.96 mi (7,454.42 km) |
| Derry to Ogden (Utah) | 4,455.00 mi (7,169.62 km) |
| Derry to Oildale (California) | 5,003.67 mi (8,052.63 km) |
| Derry to Ojus (Florida) | 4,095.75 mi (6,591.47 km) |
| Derry to Okemos (Michigan) | 3,418.08 mi (5,500.87 km) |
| Derry to Oklahoma City (Oklahoma) | 4,264.10 mi (6,862.40 km) |
| Derry to Okmulgee (Oklahoma) | 4,201.05 mi (6,760.94 km) |
| Derry to Olathe (Kansas) | 3,989.23 mi (6,420.05 km) |
| Derry to Old Jamestown (Missouri) | 3,824.28 mi (6,154.58 km) |
| Derry to Oldsmar (Florida) | 4,084.03 mi (6,572.62 km) |
| Derry to Olean (New York) | 3,220.65 mi (5,183.14 km) |
| Derry to Olive Branch (Mississippi) | 4,003.91 mi (6,443.67 km) |
| Derry to Olivehurst (California) | 4,871.62 mi (7,840.12 km) |
| Derry to Olney (Maryland) | 3,305.31 mi (5,319.38 km) |
| Derry to Olympia (Washington) | 4,455.29 mi (7,170.09 km) |
