If you offer International shipping methods, you can charge additional fees based on country by using the country fees option within your ecommerce control panel.
To begin mouse over payment and choose shipping.
Click on the name of your shipping method to access the details area.
Choose the tab for country fees.
Click on the option for new shipping country.
From the drop down menu for country name choose your selected country. You can then enter in the additional cost to ship to this country. Make sure you click save changes. Then you can repeat these steps to add additional country fees to other shipping methods.
Any clients purchasing from the entered countries will automatically be charged the additional shipping fees, on top of your main shipping cost, after they input their shipping information in the checkout process.