| Blagoevgrad to Oakley (California) | 6,481.47 mi (10,430.92 km) |
| Blagoevgrad to Oakton (Virginia) | 4,946.16 mi (7,960.07 km) |
| Blagoevgrad to Oakville (Missouri) | 5,481.90 mi (8,822.26 km) |
| Blagoevgrad to Oatfield (Oregon) | 6,036.82 mi (9,715.32 km) |
| Blagoevgrad to Ocala (Florida) | 5,599.27 mi (9,011.15 km) |
| Blagoevgrad to Ocean Acres (New Jersey) | 4,783.33 mi (7,698.03 km) |
| Blagoevgrad to Ocean City (New Jersey) | 4,817.08 mi (7,752.34 km) |
| Blagoevgrad to Ocean Pines (Maryland) | 4,878.10 mi (7,850.55 km) |
| Blagoevgrad to Ocean Pointe (Hawaii) | 8,060.78 mi (12,972.57 km) |
| Blagoevgrad to Ocean Springs (Mississippi) | 5,821.84 mi (9,369.35 km) |
| Blagoevgrad to Oceanside (California) | 6,663.42 mi (10,723.74 km) |
| Blagoevgrad to Oceanside (New York) | 4,718.84 mi (7,594.23 km) |
| Blagoevgrad to Ocoee (Florida) | 5,600.50 mi (9,013.13 km) |
| Blagoevgrad to Oconomowoc (Wisconsin) | 5,186.49 mi (8,346.84 km) |
| Blagoevgrad to Odenton (Maryland) | 4,913.16 mi (7,906.97 km) |
