How much is 499 Omani Rial to Cambodian Riel? 5,287,674.92 Cambodian Riel is todays conversion result. International currency exchange rate for pair OMR to KHR for today is 10,596.5429. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 499 KHR to OMR.