| Blagoevgrad to Orangevale (California) | 6,427.05 mi (10,343.34 km) |
| Blagoevgrad to Orchards (Washington) | 6,018.19 mi (9,685.34 km) |
| Blagoevgrad to Orcutt (California) | 6,644.71 mi (10,693.62 km) |
| Blagoevgrad to Oregon (Ohio) | 5,066.30 mi (8,153.42 km) |
| Blagoevgrad to Oregon (Wisconsin) | 5,227.11 mi (8,412.22 km) |
| Blagoevgrad to Oregon City (Oregon) | 6,041.22 mi (9,722.41 km) |
| Blagoevgrad to Orem (Utah) | 6,085.19 mi (9,793.17 km) |
| Blagoevgrad to Orinda (California) | 6,499.73 mi (10,460.31 km) |
| Blagoevgrad to Orland Park (Illinois) | 5,235.40 mi (8,425.56 km) |
| Blagoevgrad to Orlando (Florida) | 5,596.67 mi (9,006.97 km) |
| Blagoevgrad to Ormond Beach (Florida) | 5,547.47 mi (8,927.79 km) |
| Blagoevgrad to Oro Valley (Arizona) | 6,525.05 mi (10,501.05 km) |
| Blagoevgrad to Oroville (California) | 6,384.40 mi (10,274.71 km) |
| Blagoevgrad to Oshkosh (Wisconsin) | 5,144.36 mi (8,279.05 km) |
| Blagoevgrad to Oskaloosa (Iowa) | 5,424.09 mi (8,729.23 km) |
