| Riverdale to Romeoville (Illinois) | 592.74 mi (953.92 km) |
| Riverdale to Romulus (Michigan) | 601.02 mi (967.25 km) |
| Riverdale to Ronkonkoma (New York) | 796.43 mi (1,281.73 km) |
| Riverdale to Roosevelt (New York) | 771.92 mi (1,242.28 km) |
| Riverdale to Rosamond (California) | 1,924.43 mi (3,097.06 km) |
| Riverdale to Rosaryville (Maryland) | 554.78 mi (892.84 km) |
| Riverdale to Roscoe (Illinois) | 661.22 mi (1,064.13 km) |
| Riverdale to Rose Hill (Virginia) | 543.80 mi (875.16 km) |
| Riverdale to Roseburg (Oregon) | 2,189.62 mi (3,523.86 km) |
| Riverdale to Rosedale (California) | 1,975.70 mi (3,179.59 km) |
| Riverdale to Rosedale (Maryland) | 592.36 mi (953.31 km) |
| Riverdale to Roselle (Illinois) | 615.06 mi (989.85 km) |
| Riverdale to Roselle (New Jersey) | 742.52 mi (1,194.96 km) |
| Riverdale to Roselle Park (New Jersey) | 742.78 mi (1,195.38 km) |
| Riverdale to Rosemead (California) | 1,924.41 mi (3,097.04 km) |
