Patch-Magento_Checkout-M2.1.x-filter-addresses.patch

--- Model/DefaultConfigProvider.php	2017-09-13 14:08:10.000000000 +0300
+++ Model/DefaultConfigProvider.php	2018-04-16 12:31:54.147665766 +0300
@@ -327,6 +327,14 @@
             foreach ($customer->getAddresses() as $key => $address) {
                 $customerData['addresses'][$key]['inline'] = $this->getCustomerAddressInline($address);
             }
+
+            $allowedCountries = explode(',', $this->scopeConfig->getValue(
+                \Magento\Directory\Model\AllowedCountries::ALLOWED_COUNTRIES_PATH,
+                ScopeInterface::SCOPE_STORE
+            ));
+            $customerData['addresses'] = array_filter($customerData['addresses'], function ($el) use ($allowedCountries) {
+                return in_array($el['country_id'], $allowedCountries);
+            });
         }
         return $customerData;
     }