| Zimnicea to Oswego (Illinois) | 5,251.58 mi (8,451.61 km) |
| Zimnicea to Oswego (New York) | 4,732.03 mi (7,615.46 km) |
| Zimnicea to Otsego (Minnesota) | 5,244.37 mi (8,440.00 km) |
| Zimnicea to Ottawa (Illinois) | 5,285.40 mi (8,506.02 km) |
| Zimnicea to Ottawa (Kansas) | 5,652.22 mi (9,096.37 km) |
| Zimnicea to Ottumwa (Iowa) | 5,427.12 mi (8,734.11 km) |
| Zimnicea to Overland (Missouri) | 5,476.37 mi (8,813.37 km) |
| Zimnicea to Overland Park (Kansas) | 5,617.20 mi (9,040.02 km) |
| Zimnicea to Overlea (Maryland) | 4,918.06 mi (7,914.85 km) |
| Zimnicea to Oviedo (Florida) | 5,621.80 mi (9,047.41 km) |
| Zimnicea to Owasso (Oklahoma) | 5,796.30 mi (9,328.25 km) |
| Zimnicea to Owatonna (Minnesota) | 5,293.39 mi (8,518.89 km) |
| Zimnicea to Owensboro (Kentucky) | 5,405.52 mi (8,699.34 km) |
| Zimnicea to Owings Mills (Maryland) | 4,926.82 mi (7,928.95 km) |
| Zimnicea to Owosso (Michigan) | 5,038.34 mi (8,108.42 km) |
