| Tryavna to Oswego (Illinois) | 5,294.82 mi (8,521.19 km) |
| Tryavna to Oswego (New York) | 4,772.22 mi (7,680.15 km) |
| Tryavna to Otsego (Minnesota) | 5,290.56 mi (8,514.34 km) |
| Tryavna to Ottawa (Illinois) | 5,328.66 mi (8,575.64 km) |
| Tryavna to Ottawa (Kansas) | 5,696.59 mi (9,167.77 km) |
| Tryavna to Ottumwa (Iowa) | 5,471.43 mi (8,805.41 km) |
| Tryavna to Overland (Missouri) | 5,519.08 mi (8,882.10 km) |
| Tryavna to Overland Park (Kansas) | 5,661.48 mi (9,111.27 km) |
| Tryavna to Overlea (Maryland) | 4,956.07 mi (7,976.02 km) |
| Tryavna to Oviedo (Florida) | 5,656.03 mi (9,102.50 km) |
| Tryavna to Owasso (Oklahoma) | 5,840.04 mi (9,398.63 km) |
| Tryavna to Owatonna (Minnesota) | 5,339.06 mi (8,592.39 km) |
| Tryavna to Owensboro (Kentucky) | 5,446.65 mi (8,765.54 km) |
| Tryavna to Owings Mills (Maryland) | 4,964.95 mi (7,990.32 km) |
| Tryavna to Owosso (Michigan) | 5,080.79 mi (8,176.74 km) |
