| Balchik to Oakley (California) | 6,502.87 mi (10,465.36 km) |
| Balchik to Oakton (Virginia) | 5,091.40 mi (8,193.81 km) |
| Balchik to Oakville (Missouri) | 5,597.47 mi (9,008.26 km) |
| Balchik to Oatfield (Oregon) | 6,041.28 mi (9,722.50 km) |
| Balchik to Ocala (Florida) | 5,762.07 mi (9,273.16 km) |
| Balchik to Ocean Acres (New Jersey) | 4,932.31 mi (7,937.78 km) |
| Balchik to Ocean City (New Jersey) | 4,966.93 mi (7,993.50 km) |
| Balchik to Ocean Pines (Maryland) | 5,029.64 mi (8,094.43 km) |
| Balchik to Ocean Pointe (Hawaii) | 7,946.35 mi (12,788.41 km) |
| Balchik to Ocean Springs (Mississippi) | 5,964.47 mi (9,598.89 km) |
| Balchik to Oceanside (California) | 6,709.92 mi (10,798.58 km) |
| Balchik to Oceanside (New York) | 4,866.20 mi (7,831.39 km) |
| Balchik to Ocoee (Florida) | 5,766.44 mi (9,280.19 km) |
| Balchik to Oconomowoc (Wisconsin) | 5,292.37 mi (8,517.25 km) |
| Balchik to Odenton (Maryland) | 5,059.16 mi (8,141.94 km) |
