| Dupnitsa to Orangevale (California) | 6,412.16 mi (10,319.37 km) |
| Dupnitsa to Orchards (Washington) | 6,002.71 mi (9,660.43 km) |
| Dupnitsa to Orcutt (California) | 6,630.19 mi (10,670.26 km) |
| Dupnitsa to Oregon (Ohio) | 5,055.80 mi (8,136.52 km) |
| Dupnitsa to Oregon (Wisconsin) | 5,215.63 mi (8,393.74 km) |
| Dupnitsa to Oregon City (Oregon) | 6,025.75 mi (9,697.51 km) |
| Dupnitsa to Orem (Utah) | 6,071.29 mi (9,770.79 km) |
| Dupnitsa to Orinda (California) | 6,484.79 mi (10,436.25 km) |
| Dupnitsa to Orland Park (Illinois) | 5,224.33 mi (8,407.75 km) |
| Dupnitsa to Orlando (Florida) | 5,589.08 mi (8,994.75 km) |
| Dupnitsa to Ormond Beach (Florida) | 5,539.75 mi (8,915.37 km) |
| Dupnitsa to Oro Valley (Arizona) | 6,512.06 mi (10,480.15 km) |
| Dupnitsa to Oroville (California) | 6,369.42 mi (10,250.59 km) |
| Dupnitsa to Oshkosh (Wisconsin) | 5,132.79 mi (8,260.43 km) |
| Dupnitsa to Oskaloosa (Iowa) | 5,412.47 mi (8,710.52 km) |
