Flag | Code | Country | Time Difference (GMT) | Group | Comment | Internet Code |
 | 262 | REUNION (French Department of) | 4 | | | re |
 | 230 | Rodriguez Island | 4 | | MAURITIUS (Republic of) | mu |
 | 40 | ROMANIA | 2 | EU, NATO | | ro |
 | 1670 | Rota | 10 | CNMI | NORTHERN MARIANA ISLANDS (CNMI) | mp |
 | 7 | RUSSIAN FEDERATION | +2 to +12 | | Also see Countries of Russian Federation | ru |
 | 250 | RWANDA | 2 | | Also known as RWANDESE REPUBLIC | rw |