| Takoma Park to Odenton (Maryland) | 17.60 mi (28.32 km) |
| Takoma Park to Odessa (Texas) | 1,502.79 mi (2,418.51 km) |
| Takoma Park to Ogden (Utah) | 1,841.88 mi (2,964.21 km) |
| Takoma Park to Oildale (California) | 2,305.34 mi (3,710.09 km) |
| Takoma Park to Ojus (Florida) | 918.38 mi (1,477.98 km) |
| Takoma Park to Okemos (Michigan) | 464.77 mi (747.97 km) |
| Takoma Park to Oklahoma City (Oklahoma) | 1,151.62 mi (1,853.35 km) |
| Takoma Park to Okmulgee (Oklahoma) | 1,068.01 mi (1,718.79 km) |
| Takoma Park to Olathe (Kansas) | 956.11 mi (1,538.72 km) |
| Takoma Park to Old Jamestown (Missouri) | 713.52 mi (1,148.30 km) |
| Takoma Park to Oldsmar (Florida) | 822.28 mi (1,323.33 km) |
| Takoma Park to Olean (New York) | 227.01 mi (365.34 km) |
| Takoma Park to Olive Branch (Mississippi) | 760.61 mi (1,224.08 km) |
| Takoma Park to Olivehurst (California) | 2,366.62 mi (3,808.70 km) |
| Takoma Park to Olney (Maryland) | 12.01 mi (19.34 km) |
