| Shasta Lake to Oskaloosa (Iowa) | 1,543.95 mi (2,484.76 km) |
| Shasta Lake to Oswego (Illinois) | 1,759.96 mi (2,832.38 km) |
| Shasta Lake to Oswego (New York) | 2,331.15 mi (3,751.63 km) |
| Shasta Lake to Otsego (Minnesota) | 1,479.57 mi (2,381.14 km) |
| Shasta Lake to Ottawa (Illinois) | 1,738.73 mi (2,798.22 km) |
| Shasta Lake to Ottawa (Kansas) | 1,444.03 mi (2,323.94 km) |
| Shasta Lake to Ottumwa (Iowa) | 1,558.22 mi (2,507.71 km) |
| Shasta Lake to Overland (Missouri) | 1,697.98 mi (2,732.64 km) |
| Shasta Lake to Overland Park (Kansas) | 1,469.37 mi (2,364.73 km) |
| Shasta Lake to Overlea (Maryland) | 2,400.36 mi (3,863.01 km) |
| Shasta Lake to Oviedo (Florida) | 2,457.79 mi (3,955.43 km) |
| Shasta Lake to Owasso (Oklahoma) | 1,461.56 mi (2,352.15 km) |
| Shasta Lake to Owatonna (Minnesota) | 1,497.98 mi (2,410.77 km) |
| Shasta Lake to Owensboro (Kentucky) | 1,885.53 mi (3,034.46 km) |
| Shasta Lake to Owings Mills (Maryland) | 2,385.43 mi (3,838.97 km) |
