| Defiance to Romeoville (Illinois) | 194.85 mi (313.58 km) |
| Defiance to Romulus (Michigan) | 83.04 mi (133.63 km) |
| Defiance to Ronkonkoma (New York) | 586.31 mi (943.58 km) |
| Defiance to Roosevelt (New York) | 563.57 mi (906.97 km) |
| Defiance to Rosamond (California) | 1,880.98 mi (3,027.14 km) |
| Defiance to Rosaryville (Maryland) | 434.87 mi (699.86 km) |
| Defiance to Roscoe (Illinois) | 251.63 mi (404.97 km) |
| Defiance to Rose Hill (Virginia) | 420.64 mi (676.95 km) |
| Defiance to Roseburg (Oregon) | 1,980.27 mi (3,186.94 km) |
| Defiance to Rosedale (California) | 1,918.08 mi (3,086.86 km) |
| Defiance to Rosedale (Maryland) | 435.30 mi (700.55 km) |
| Defiance to Roselle (Illinois) | 198.10 mi (318.81 km) |
| Defiance to Roselle (New Jersey) | 528.72 mi (850.89 km) |
| Defiance to Roselle Park (New Jersey) | 528.25 mi (850.14 km) |
| Defiance to Rosemead (California) | 1,896.91 mi (3,052.78 km) |
