| Tomar to Oswego (Illinois) | 4,032.16 mi (6,489.14 km) |
| Tomar to Oswego (New York) | 3,432.00 mi (5,523.26 km) |
| Tomar to Otsego (Minnesota) | 4,154.00 mi (6,685.22 km) |
| Tomar to Ottawa (Illinois) | 4,065.01 mi (6,542.00 km) |
| Tomar to Ottawa (Kansas) | 4,455.27 mi (7,170.07 km) |
| Tomar to Ottumwa (Iowa) | 4,240.49 mi (6,824.41 km) |
| Tomar to Overland (Missouri) | 4,224.21 mi (6,798.21 km) |
| Tomar to Overland Park (Kansas) | 4,418.41 mi (7,110.74 km) |
| Tomar to Overlea (Maryland) | 3,538.27 mi (5,694.29 km) |
| Tomar to Oviedo (Florida) | 4,118.28 mi (6,627.73 km) |
| Tomar to Owasso (Oklahoma) | 4,566.50 mi (7,349.08 km) |
| Tomar to Owatonna (Minnesota) | 4,175.07 mi (6,719.13 km) |
| Tomar to Owensboro (Kentucky) | 4,101.26 mi (6,600.34 km) |
| Tomar to Owings Mills (Maryland) | 3,550.37 mi (5,713.77 km) |
| Tomar to Owosso (Michigan) | 3,801.38 mi (6,117.73 km) |
