| Des Moines Rougham | United Kingdom Time | -06:00 |
| Des Moines Rothenburg ob der Tauber | Central European Time | -07:00 |
| Des Moines Rostrenen | Central European Time | -07:00 |
| Des Moines Rothesay | United Kingdom Time | -06:00 |
| Des Moines Rothesay | Atlantic Time | -02:00 |
| Des Moines Röthlein | Central European Time | -07:00 |
| Des Moines Rothschild | Central Time | 00:00 |
| Des Moines Roxbury Township | Eastern Time | -01:00 |
| Des Moines Rowley Regis | United Kingdom Time | -06:00 |
| Des Moines Rovinj | Central European Time | -07:00 |
| Des Moines Rubano | Central European Time | -07:00 |
| Des Moines Rozelle | Eastern Australia Time | -16:00 |
| Des Moines Rozaje | Central European Time | -07:00 |
| Des Moines Royersford | Eastern Time | -01:00 |
| Des Moines Ram Nagar | India Standard Time | -10:30 |
| Des Moines Rakovica | Central European Time | -07:00 |
| Des Moines Rajosana | India Standard Time | -10:30 |
| Des Moines Rajadewali | Pakistan Time | -10:00 |
| Des Moines Rajapalayam | India Standard Time | -10:30 |
| Des Moines Rafah | Eastern European Time | -07:00 |
| Des Moines Raeford | Eastern Time | -01:00 |
| Des Moines Raf Raf | Central European Time | -06:00 |
| Des Moines Rahim Yar Khan | Pakistan Time | -10:00 |
| Des Moines Raglan | New Zealand Time | -18:00 |
| Des Moines Rahovic | Central European Time | -07:00 |
| Des Moines Rainsville | Central Time | 00:00 |
| Des Moines Paradeep | India Standard Time | -10:30 |
| Des Moines Paradise | Newfoundland Time | -02:30 |
| Des Moines Papakura | New Zealand Time | -18:00 |
| Des Moines Pannipitiya | India Standard Time | -10:30 |
| Des Moines Pano Panagia | Eastern European Time | -08:00 |
| Des Moines Paoli | Eastern Time | -01:00 |
| Des Moines Panindícuaro | Central Time | 01:00 |
| Des Moines Ottignies-Louvain-la-Neuve | Central European Time | -07:00 |
| Des Moines Ottawa | Eastern Time | -01:00 |
| Des Moines Oud-Heverlee | Central European Time | -07:00 |
| Des Moines Oud-Turnhout | Central European Time | -07:00 |
| Des Moines Oulton | United Kingdom Time | -06:00 |
| Des Moines Ouled Teima Amzou | Western European Time | -05:00 |
| Des Moines Ouled Fares | Central European Time | -06:00 |
| Des Moines Oviglio | Central European Time | -07:00 |
| Des Moines Overo | Central European Time | -07:00 |
| Des Moines Owego | Eastern Time | -01:00 |
| Des Moines Newport News | Eastern Time | -01:00 |
| Des Moines Newport | Eastern Australia Time | -16:00 |
| Des Moines Newmarket | Eastern Australia Time | -15:00 |
| Des Moines Newbern | Central Time | 00:00 |
| Des Moines Newcastle | Eastern Australia Time | -16:00 |
| Des Moines Newcastle | United Kingdom Time | -06:00 |
| Des Moines New York Mills | Eastern Time | -01:00 |