| Kennewick to Oswego (Illinois) | 1,555.19 mi (2,502.83 km) |
| Kennewick to Oswego (New York) | 2,074.49 mi (3,338.56 km) |
| Kennewick to Otsego (Minnesota) | 1,228.73 mi (1,977.45 km) |
| Kennewick to Ottawa (Illinois) | 1,540.46 mi (2,479.12 km) |
| Kennewick to Ottawa (Kansas) | 1,321.50 mi (2,126.74 km) |
| Kennewick to Ottumwa (Iowa) | 1,378.19 mi (2,217.98 km) |
| Kennewick to Overland (Missouri) | 1,547.11 mi (2,489.84 km) |
| Kennewick to Overland Park (Kansas) | 1,338.13 mi (2,153.52 km) |
| Kennewick to Overlea (Maryland) | 2,186.43 mi (3,518.72 km) |
| Kennewick to Oviedo (Florida) | 2,378.72 mi (3,828.17 km) |
| Kennewick to Owasso (Oklahoma) | 1,385.06 mi (2,229.05 km) |
| Kennewick to Owatonna (Minnesota) | 1,266.86 mi (2,038.81 km) |
| Kennewick to Owensboro (Kentucky) | 1,732.72 mi (2,788.54 km) |
| Kennewick to Owings Mills (Maryland) | 2,171.89 mi (3,495.32 km) |
| Kennewick to Owosso (Michigan) | 1,721.81 mi (2,770.98 km) |
