| Ramona to Odenton (Maryland) | 2,263.90 mi (3,643.39 km) |
| Ramona to Odessa (Texas) | 850.29 mi (1,368.41 km) |
| Ramona to Ogden (Utah) | 626.27 mi (1,007.88 km) |
| Ramona to Oildale (California) | 205.47 mi (330.67 km) |
| Ramona to Ojus (Florida) | 2,249.66 mi (3,620.48 km) |
| Ramona to Okemos (Michigan) | 1,877.97 mi (3,022.31 km) |
| Ramona to Oklahoma City (Oklahoma) | 1,116.47 mi (1,796.79 km) |
| Ramona to Okmulgee (Oklahoma) | 1,201.57 mi (1,933.74 km) |
| Ramona to Olathe (Kansas) | 1,293.86 mi (2,082.26 km) |
| Ramona to Old Jamestown (Missouri) | 1,534.30 mi (2,469.21 km) |
| Ramona to Oldsmar (Florida) | 2,055.26 mi (3,307.62 km) |
| Ramona to Olean (New York) | 2,175.79 mi (3,501.59 km) |
| Ramona to Olive Branch (Mississippi) | 1,549.14 mi (2,493.09 km) |
| Ramona to Olivehurst (California) | 491.78 mi (791.45 km) |
| Ramona to Olney (Maryland) | 2,243.47 mi (3,610.52 km) |
