How much is 4977 Tongan Paʻanga to Mauritanian Ouguiya? 777,386.78 Mauritanian Ouguiya is todays conversion result. International currency exchange rate for pair TOP to MRO for today is 156.1959. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 4977 MRO to TOP.