| Popesti-Leordeni to Oswego (Illinois) | 5,243.81 mi (8,439.09 km) |
| Popesti-Leordeni to Oswego (New York) | 4,729.88 mi (7,612.01 km) |
| Popesti-Leordeni to Otsego (Minnesota) | 5,230.63 mi (8,417.88 km) |
| Popesti-Leordeni to Ottawa (Illinois) | 5,277.56 mi (8,493.42 km) |
| Popesti-Leordeni to Ottawa (Kansas) | 5,642.16 mi (9,080.18 km) |
| Popesti-Leordeni to Ottumwa (Iowa) | 5,417.23 mi (8,718.20 km) |
| Popesti-Leordeni to Overland (Missouri) | 5,469.55 mi (8,802.38 km) |
| Popesti-Leordeni to Overland Park (Kansas) | 5,607.34 mi (9,024.13 km) |
| Popesti-Leordeni to Overlea (Maryland) | 4,919.55 mi (7,917.26 km) |
| Popesti-Leordeni to Oviedo (Florida) | 5,629.04 mi (9,059.06 km) |
| Popesti-Leordeni to Owasso (Oklahoma) | 5,787.44 mi (9,313.99 km) |
| Popesti-Leordeni to Owatonna (Minnesota) | 5,280.74 mi (8,498.54 km) |
| Popesti-Leordeni to Owensboro (Kentucky) | 5,401.57 mi (8,692.98 km) |
| Popesti-Leordeni to Owings Mills (Maryland) | 4,928.10 mi (7,931.01 km) |
| Popesti-Leordeni to Owosso (Michigan) | 5,032.08 mi (8,098.34 km) |
