| Darien to Rockville (Maryland) | 598.02 mi (962.41 km) |
| Darien to Rockville Centre (New York) | 748.49 mi (1,204.58 km) |
| Darien to Rockwall (Texas) | 765.83 mi (1,232.49 km) |
| Darien to Rocky Mount (North Carolina) | 676.85 mi (1,089.28 km) |
| Darien to Rocky Point (New York) | 781.50 mi (1,257.71 km) |
| Darien to Rocky River (Ohio) | 317.17 mi (510.44 km) |
| Darien to Roessleville (New York) | 727.97 mi (1,171.55 km) |
| Darien to Rogers (Arkansas) | 500.05 mi (804.76 km) |
| Darien to Rogers (Minnesota) | 367.67 mi (591.71 km) |
| Darien to Rohnert Park (California) | 1,838.47 mi (2,958.73 km) |
| Darien to Rolla (Missouri) | 330.18 mi (531.38 km) |
| Darien to Rolling Meadows (Illinois) | 22.90 mi (36.86 km) |
| Darien to Roma (Texas) | 1,230.28 mi (1,979.94 km) |
| Darien to Rome (Georgia) | 538.59 mi (866.77 km) |
| Darien to Rome (New York) | 644.01 mi (1,036.44 km) |
