| Danville to Oakley (California) | 19.50 mi (31.38 km) |
| Danville to Oakton (Virginia) | 2,396.97 mi (3,857.55 km) |
| Danville to Oakville (Missouri) | 1,712.21 mi (2,755.54 km) |
| Danville to Oatfield (Oregon) | 526.12 mi (846.71 km) |
| Danville to Ocala (Florida) | 2,351.63 mi (3,784.59 km) |
| Danville to Ocean Acres (New Jersey) | 2,541.64 mi (4,090.37 km) |
| Danville to Ocean City (New Jersey) | 2,532.27 mi (4,075.29 km) |
| Danville to Ocean Pines (Maryland) | 2,518.06 mi (4,052.42 km) |
| Danville to Ocean Pointe (Hawaii) | 2,427.42 mi (3,906.55 km) |
| Danville to Ocean Springs (Mississippi) | 1,954.75 mi (3,145.87 km) |
| Danville to Oceanside (California) | 411.19 mi (661.75 km) |
| Danville to Oceanside (New York) | 2,561.83 mi (4,122.87 km) |
| Danville to Ocoee (Florida) | 2,403.25 mi (3,867.65 km) |
| Danville to Oconomowoc (Wisconsin) | 1,784.95 mi (2,872.61 km) |
| Danville to Odenton (Maryland) | 2,426.15 mi (3,904.51 km) |
