| Defiance to Rockville (Maryland) | 409.63 mi (659.23 km) |
| Defiance to Rockville Centre (New York) | 560.88 mi (902.64 km) |
| Defiance to Rockwall (Texas) | 879.67 mi (1,415.69 km) |
| Defiance to Rocky Mount (North Carolina) | 509.79 mi (820.43 km) |
| Defiance to Rocky Point (New York) | 595.05 mi (957.64 km) |
| Defiance to Rocky River (Ohio) | 130.95 mi (210.74 km) |
| Defiance to Roessleville (New York) | 551.14 mi (886.98 km) |
| Defiance to Rogers (Arkansas) | 628.20 mi (1,010.99 km) |
| Defiance to Rogers (Minnesota) | 536.05 mi (862.69 km) |
| Defiance to Rohnert Park (California) | 2,027.82 mi (3,263.46 km) |
| Defiance to Rolla (Missouri) | 455.87 mi (733.65 km) |
| Defiance to Rolling Meadows (Illinois) | 196.63 mi (316.44 km) |
| Defiance to Roma (Texas) | 1,322.90 mi (2,129.01 km) |
| Defiance to Rome (Georgia) | 486.76 mi (783.36 km) |
| Defiance to Rome (New York) | 473.07 mi (761.33 km) |
