| Darien to Romeoville (Illinois) | 9.89 mi (15.91 km) |
| Darien to Romulus (Michigan) | 239.35 mi (385.20 km) |
| Darien to Ronkonkoma (New York) | 773.29 mi (1,244.49 km) |
| Darien to Roosevelt (New York) | 751.11 mi (1,208.80 km) |
| Darien to Rosamond (California) | 1,696.87 mi (2,730.84 km) |
| Darien to Rosaryville (Maryland) | 622.61 mi (1,001.99 km) |
| Darien to Roscoe (Illinois) | 70.58 mi (113.59 km) |
| Darien to Rose Hill (Virginia) | 608.08 mi (978.62 km) |
| Darien to Roseburg (Oregon) | 1,791.67 mi (2,883.42 km) |
| Darien to Rosedale (California) | 1,732.59 mi (2,788.33 km) |
| Darien to Rosedale (Maryland) | 624.69 mi (1,005.34 km) |
| Darien to Roselle (Illinois) | 17.17 mi (27.63 km) |
| Darien to Roselle (New Jersey) | 716.60 mi (1,153.25 km) |
| Darien to Roselle Park (New Jersey) | 716.09 mi (1,152.44 km) |
| Darien to Rosemead (California) | 1,714.29 mi (2,758.89 km) |
