| Chirpan to Oswego (Illinois) | 5,321.36 mi (8,563.91 km) |
| Chirpan to Oswego (New York) | 4,795.41 mi (7,717.46 km) |
| Chirpan to Otsego (Minnesota) | 5,320.63 mi (8,562.72 km) |
| Chirpan to Ottawa (Illinois) | 5,355.23 mi (8,618.41 km) |
| Chirpan to Ottawa (Kansas) | 5,724.42 mi (9,212.56 km) |
| Chirpan to Ottumwa (Iowa) | 5,499.20 mi (8,850.11 km) |
| Chirpan to Overland (Missouri) | 5,545.00 mi (8,923.81 km) |
| Chirpan to Overland Park (Kansas) | 5,689.20 mi (9,155.89 km) |
| Chirpan to Overlea (Maryland) | 4,976.86 mi (8,009.48 km) |
| Chirpan to Oviedo (Florida) | 5,672.78 mi (9,129.45 km) |
| Chirpan to Owasso (Oklahoma) | 5,867.12 mi (9,442.22 km) |
| Chirpan to Owatonna (Minnesota) | 5,368.48 mi (8,639.74 km) |
| Chirpan to Owensboro (Kentucky) | 5,470.80 mi (8,804.41 km) |
| Chirpan to Owings Mills (Maryland) | 4,985.88 mi (8,023.99 km) |
| Chirpan to Owosso (Michigan) | 5,106.46 mi (8,218.06 km) |
