| Boone to Romeoville (Illinois) | 509.45 mi (819.88 km) |
| Boone to Romulus (Michigan) | 425.24 mi (684.36 km) |
| Boone to Ronkonkoma (New York) | 559.93 mi (901.12 km) |
| Boone to Roosevelt (New York) | 535.03 mi (861.04 km) |
| Boone to Rosamond (California) | 2,044.79 mi (3,290.77 km) |
| Boone to Rosaryville (Maryland) | 318.68 mi (512.87 km) |
| Boone to Roscoe (Illinois) | 581.23 mi (935.40 km) |
| Boone to Rose Hill (Virginia) | 306.72 mi (493.62 km) |
| Boone to Roseburg (Oregon) | 2,243.55 mi (3,610.65 km) |
| Boone to Rosedale (California) | 2,091.15 mi (3,365.39 km) |
| Boone to Rosedale (Maryland) | 354.46 mi (570.45 km) |
| Boone to Roselle (Illinois) | 526.37 mi (847.10 km) |
| Boone to Roselle (New Jersey) | 504.56 mi (812.01 km) |
| Boone to Roselle Park (New Jersey) | 504.77 mi (812.35 km) |
| Boone to Rosemead (California) | 2,050.78 mi (3,300.41 km) |
