| Darien to Robertsville (New Jersey) | 719.12 mi (1,157.31 km) |
| Darien to Robinson (Texas) | 872.26 mi (1,403.77 km) |
| Darien to Robstown (Texas) | 1,107.93 mi (1,783.04 km) |
| Darien to Rochester (Michigan) | 257.14 mi (413.83 km) |
| Darien to Rochester (Minnesota) | 276.38 mi (444.80 km) |
| Darien to Rochester (New Hampshire) | 870.96 mi (1,401.68 km) |
| Darien to Rochester (New York) | 537.12 mi (864.42 km) |
| Darien to Rochester Hills (Michigan) | 255.00 mi (410.38 km) |
| Darien to Rock Hill (South Carolina) | 602.15 mi (969.07 km) |
| Darien to Rock Island (Illinois) | 135.68 mi (218.35 km) |
| Darien to Rock Springs (Wyoming) | 1,093.43 mi (1,759.70 km) |
| Darien to Rockford (Illinois) | 65.96 mi (106.15 km) |
| Darien to Rockledge (Florida) | 1,013.12 mi (1,630.46 km) |
| Darien to Rocklin (California) | 1,754.31 mi (2,823.28 km) |
| Darien to Rockport (Texas) | 1,077.12 mi (1,733.45 km) |
