| Boone to Oswego (Illinois) | 520.66 mi (837.92 km) |
| Boone to Oswego (New York) | 570.16 mi (917.59 km) |
| Boone to Otsego (Minnesota) | 883.04 mi (1,421.12 km) |
| Boone to Ottawa (Illinois) | 524.07 mi (843.41 km) |
| Boone to Ottawa (Kansas) | 763.50 mi (1,228.74 km) |
| Boone to Ottumwa (Iowa) | 668.08 mi (1,075.17 km) |
| Boone to Overland (Missouri) | 507.00 mi (815.93 km) |
| Boone to Overland Park (Kansas) | 736.08 mi (1,184.61 km) |
| Boone to Overlea (Maryland) | 355.59 mi (572.27 km) |
| Boone to Oviedo (Florida) | 522.62 mi (841.07 km) |
| Boone to Owasso (Oklahoma) | 788.55 mi (1,269.04 km) |
| Boone to Owatonna (Minnesota) | 816.73 mi (1,314.40 km) |
| Boone to Owensboro (Kentucky) | 319.16 mi (513.64 km) |
| Boone to Owings Mills (Maryland) | 345.92 mi (556.70 km) |
| Boone to Owosso (Michigan) | 487.35 mi (784.31 km) |
