| Unicov to Oakley (California) | 5,873.95 mi (9,453.21 km) |
| Unicov to Oakton (Virginia) | 4,412.40 mi (7,101.07 km) |
| Unicov to Oakville (Missouri) | 4,915.87 mi (7,911.33 km) |
| Unicov to Oatfield (Oregon) | 5,429.89 mi (8,738.56 km) |
| Unicov to Ocala (Florida) | 5,089.37 mi (8,190.54 km) |
| Unicov to Ocean Acres (New Jersey) | 4,254.59 mi (6,847.11 km) |
| Unicov to Ocean City (New Jersey) | 4,289.49 mi (6,903.27 km) |
| Unicov to Ocean Pines (Maryland) | 4,352.76 mi (7,005.09 km) |
| Unicov to Ocean Pointe (Hawaii) | 7,516.26 mi (12,096.25 km) |
| Unicov to Ocean Springs (Mississippi) | 5,284.33 mi (8,504.30 km) |
| Unicov to Oceanside (California) | 6,059.55 mi (9,751.90 km) |
| Unicov to Oceanside (New York) | 4,188.01 mi (6,739.95 km) |
| Unicov to Ocoee (Florida) | 5,095.41 mi (8,200.27 km) |
| Unicov to Oconomowoc (Wisconsin) | 4,612.13 mi (7,422.50 km) |
| Unicov to Odenton (Maryland) | 4,380.41 mi (7,049.58 km) |
