| Danville to Orangevale (California) | 72.90 mi (117.32 km) |
| Danville to Orchards (Washington) | 545.00 mi (877.10 km) |
| Danville to Orcutt (California) | 220.82 mi (355.38 km) |
| Danville to Oregon (Ohio) | 2,047.63 mi (3,295.35 km) |
| Danville to Oregon (Wisconsin) | 1,739.67 mi (2,799.73 km) |
| Danville to Oregon City (Oregon) | 521.24 mi (838.86 km) |
| Danville to Orem (Utah) | 576.79 mi (928.26 km) |
| Danville to Orinda (California) | 12.36 mi (19.89 km) |
| Danville to Orland Park (Illinois) | 1,819.76 mi (2,928.62 km) |
| Danville to Orlando (Florida) | 2,417.05 mi (3,889.87 km) |
| Danville to Ormond Beach (Florida) | 2,405.34 mi (3,871.02 km) |
| Danville to Oro Valley (Arizona) | 723.65 mi (1,164.60 km) |
| Danville to Oroville (California) | 118.66 mi (190.96 km) |
| Danville to Oshkosh (Wisconsin) | 1,783.07 mi (2,869.57 km) |
| Danville to Oskaloosa (Iowa) | 1,573.23 mi (2,531.87 km) |
