| Busko-Zdroj to Oakley (California) | 5,912.28 mi (9,514.89 km) |
| Busko-Zdroj to Oakton (Virginia) | 4,523.88 mi (7,280.48 km) |
| Busko-Zdroj to Oakville (Missouri) | 5,009.62 mi (8,062.20 km) |
| Busko-Zdroj to Oatfield (Oregon) | 5,457.78 mi (8,783.44 km) |
| Busko-Zdroj to Ocala (Florida) | 5,208.95 mi (8,382.99 km) |
| Busko-Zdroj to Ocean Acres (New Jersey) | 4,368.53 mi (7,030.47 km) |
| Busko-Zdroj to Ocean City (New Jersey) | 4,403.83 mi (7,087.28 km) |
| Busko-Zdroj to Ocean Pines (Maryland) | 4,467.88 mi (7,190.36 km) |
| Busko-Zdroj to Ocean Pointe (Hawaii) | 7,476.60 mi (12,032.43 km) |
| Busko-Zdroj to Ocean Springs (Mississippi) | 5,392.55 mi (8,678.48 km) |
| Busko-Zdroj to Oceanside (California) | 6,112.57 mi (9,837.23 km) |
| Busko-Zdroj to Oceanside (New York) | 4,301.20 mi (6,922.12 km) |
| Busko-Zdroj to Ocoee (Florida) | 5,216.66 mi (8,395.40 km) |
| Busko-Zdroj to Oconomowoc (Wisconsin) | 4,700.77 mi (7,565.16 km) |
| Busko-Zdroj to Odenton (Maryland) | 4,492.39 mi (7,229.80 km) |
