| Cernavoda to Odessa (Texas) | 6,314.76 mi (10,162.63 km) |
| Cernavoda to Ogden (Utah) | 6,026.21 mi (9,698.25 km) |
| Cernavoda to Oildale (California) | 6,551.24 mi (10,543.20 km) |
| Cernavoda to Ojus (Florida) | 5,801.56 mi (9,336.72 km) |
| Cernavoda to Okemos (Michigan) | 5,122.42 mi (8,243.73 km) |
| Cernavoda to Oklahoma City (Oklahoma) | 5,953.48 mi (9,581.21 km) |
| Cernavoda to Okmulgee (Oklahoma) | 5,895.45 mi (9,487.81 km) |
| Cernavoda to Olathe (Kansas) | 5,675.60 mi (9,133.99 km) |
| Cernavoda to Old Jamestown (Missouri) | 5,525.92 mi (8,893.11 km) |
| Cernavoda to Oldsmar (Florida) | 5,799.96 mi (9,334.14 km) |
| Cernavoda to Olean (New York) | 4,937.56 mi (7,946.23 km) |
| Cernavoda to Olive Branch (Mississippi) | 5,716.78 mi (9,200.27 km) |
| Cernavoda to Olivehurst (California) | 6,369.86 mi (10,251.29 km) |
| Cernavoda to Olney (Maryland) | 5,026.01 mi (8,088.59 km) |
| Cernavoda to Olympia (Washington) | 5,879.58 mi (9,462.27 km) |
