Could be a few days depending on your connection speed etc.
I have uploaded the Miners Wallet (off official site)  block and index files
which can be downloaded and installed to make things much faster.
Posted a few pages back under my name, you can give that a try.

NYC MINERS WALLET BLOCK/INDEX (Wallet from official NYC site)
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Mega Download, Miners Wallet Version v1.0.1.1-unk-beta only:
https://mega.nz/#!4aARmZRb!hsHfHRdsWfBKbmofv2aTPc2j5mQYn5EbsmgQdJLL6FM
2.2Gb download
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