| Shoreline to Oskaloosa (Iowa) | 1,519.08 mi (2,444.73 km) |
| Shoreline to Oswego (Illinois) | 1,706.45 mi (2,746.27 km) |
| Shoreline to Oswego (New York) | 2,202.94 mi (3,545.29 km) |
| Shoreline to Otsego (Minnesota) | 1,368.57 mi (2,202.50 km) |
| Shoreline to Ottawa (Illinois) | 1,693.76 mi (2,725.84 km) |
| Shoreline to Ottawa (Kansas) | 1,493.65 mi (2,403.80 km) |
| Shoreline to Ottumwa (Iowa) | 1,538.01 mi (2,475.18 km) |
| Shoreline to Overland (Missouri) | 1,712.13 mi (2,755.41 km) |
| Shoreline to Overland Park (Kansas) | 1,508.66 mi (2,427.96 km) |
| Shoreline to Overlea (Maryland) | 2,330.07 mi (3,749.88 km) |
| Shoreline to Oviedo (Florida) | 2,552.72 mi (4,108.20 km) |
| Shoreline to Owasso (Oklahoma) | 1,563.15 mi (2,515.65 km) |
| Shoreline to Owatonna (Minnesota) | 1,413.18 mi (2,274.29 km) |
| Shoreline to Owensboro (Kentucky) | 1,896.00 mi (3,051.31 km) |
| Shoreline to Owings Mills (Maryland) | 2,315.75 mi (3,726.83 km) |
