| Plovdiv to Oswego (Illinois) | 5,303.10 mi (8,534.52 km) |
| Plovdiv to Oswego (New York) | 4,775.27 mi (7,685.06 km) |
| Plovdiv to Otsego (Minnesota) | 5,304.64 mi (8,536.99 km) |
| Plovdiv to Ottawa (Illinois) | 5,336.98 mi (8,589.05 km) |
| Plovdiv to Ottawa (Kansas) | 5,706.93 mi (9,184.42 km) |
| Plovdiv to Ottumwa (Iowa) | 5,481.69 mi (8,821.93 km) |
| Plovdiv to Overland (Missouri) | 5,526.35 mi (8,893.80 km) |
| Plovdiv to Overland Park (Kansas) | 5,671.65 mi (9,127.64 km) |
| Plovdiv to Overlea (Maryland) | 4,955.50 mi (7,975.10 km) |
| Plovdiv to Oviedo (Florida) | 5,649.55 mi (9,092.08 km) |
| Plovdiv to Owasso (Oklahoma) | 5,849.16 mi (9,413.32 km) |
| Plovdiv to Owatonna (Minnesota) | 5,352.05 mi (8,613.30 km) |
| Plovdiv to Owensboro (Kentucky) | 5,451.16 mi (8,772.79 km) |
| Plovdiv to Owings Mills (Maryland) | 4,964.58 mi (7,989.72 km) |
| Plovdiv to Owosso (Michigan) | 5,087.70 mi (8,187.85 km) |
