| Smartno to Oswego (Illinois) | 4,758.41 mi (7,657.91 km) |
| Smartno to Oswego (New York) | 4,221.79 mi (6,794.31 km) |
| Smartno to Otsego (Minnesota) | 4,774.74 mi (7,684.21 km) |
| Smartno to Ottawa (Illinois) | 4,792.34 mi (7,712.53 km) |
| Smartno to Ottawa (Kansas) | 5,166.50 mi (8,314.68 km) |
| Smartno to Ottumwa (Iowa) | 4,941.29 mi (7,952.24 km) |
| Smartno to Overland (Missouri) | 4,979.42 mi (8,013.61 km) |
| Smartno to Overland Park (Kansas) | 5,130.84 mi (8,257.29 km) |
| Smartno to Overlea (Maryland) | 4,398.01 mi (7,077.91 km) |
| Smartno to Oviedo (Florida) | 5,089.92 mi (8,191.43 km) |
| Smartno to Owasso (Oklahoma) | 5,305.80 mi (8,538.85 km) |
| Smartno to Owatonna (Minnesota) | 4,818.94 mi (7,755.33 km) |
| Smartno to Owensboro (Kentucky) | 4,899.47 mi (7,884.93 km) |
| Smartno to Owings Mills (Maryland) | 4,407.25 mi (7,092.79 km) |
| Smartno to Owosso (Michigan) | 4,540.38 mi (7,307.03 km) |
