How much is 1138 Omani Rial to Guinean Franc? 25,413,992.73 Guinean Franc is todays conversion result. International currency exchange rate for pair OMR to GNF for today is 22,332.1553. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 1138 GNF to OMR.