| Darien to Rosemont (California) | 1,765.21 mi (2,840.82 km) |
| Darien to Rosemount (Minnesota) | 329.26 mi (529.89 km) |
| Darien to Rosenberg (Texas) | 949.88 mi (1,528.68 km) |
| Darien to Roseville (California) | 1,758.71 mi (2,830.37 km) |
| Darien to Roseville (Michigan) | 263.81 mi (424.57 km) |
| Darien to Roseville (Minnesota) | 344.16 mi (553.87 km) |
| Darien to Rossmoor (California) | 1,723.04 mi (2,772.96 km) |
| Darien to Rossville (Maryland) | 625.60 mi (1,006.81 km) |
| Darien to Roswell (Georgia) | 567.88 mi (913.91 km) |
| Darien to Roswell (New Mexico) | 1,072.30 mi (1,725.70 km) |
| Darien to Round Lake (Illinois) | 41.85 mi (67.35 km) |
| Darien to Round Lake Beach (Illinois) | 44.12 mi (71.00 km) |
| Darien to Round Rock (Texas) | 943.38 mi (1,518.22 km) |
| Darien to Rowland Heights (California) | 1,707.60 mi (2,748.12 km) |
| Darien to Rowlett (Texas) | 769.62 mi (1,238.58 km) |
