| Dupnitsa to Oswego (Illinois) | 5,238.12 mi (8,429.94 km) |
| Dupnitsa to Oswego (New York) | 4,706.15 mi (7,573.82 km) |
| Dupnitsa to Otsego (Minnesota) | 5,244.93 mi (8,440.90 km) |
| Dupnitsa to Ottawa (Illinois) | 5,272.03 mi (8,484.51 km) |
| Dupnitsa to Ottawa (Kansas) | 5,643.67 mi (9,082.61 km) |
| Dupnitsa to Ottumwa (Iowa) | 5,418.40 mi (8,720.08 km) |
| Dupnitsa to Overland (Missouri) | 5,460.46 mi (8,787.77 km) |
| Dupnitsa to Overland Park (Kansas) | 5,608.24 mi (9,025.59 km) |
| Dupnitsa to Overlea (Maryland) | 4,883.70 mi (7,859.56 km) |
| Dupnitsa to Oviedo (Florida) | 5,573.89 mi (8,970.31 km) |
| Dupnitsa to Owasso (Oklahoma) | 5,784.79 mi (9,309.72 km) |
| Dupnitsa to Owatonna (Minnesota) | 5,291.30 mi (8,515.53 km) |
| Dupnitsa to Owensboro (Kentucky) | 5,383.04 mi (8,663.17 km) |
| Dupnitsa to Owings Mills (Maryland) | 4,892.92 mi (7,874.40 km) |
| Dupnitsa to Owosso (Michigan) | 5,021.59 mi (8,081.46 km) |
