| Balchik to Orangevale (California) | 6,448.75 mi (10,378.26 km) |
| Balchik to Orchards (Washington) | 6,022.33 mi (9,692.01 km) |
| Balchik to Orcutt (California) | 6,676.68 mi (10,745.07 km) |
| Balchik to Oregon (Ohio) | 5,188.78 mi (8,350.53 km) |
| Balchik to Oregon (Wisconsin) | 5,331.37 mi (8,580.02 km) |
| Balchik to Oregon City (Oregon) | 6,045.82 mi (9,729.81 km) |
| Balchik to Orem (Utah) | 6,134.65 mi (9,872.77 km) |
| Balchik to Orinda (California) | 6,519.66 mi (10,492.37 km) |
| Balchik to Orland Park (Illinois) | 5,347.51 mi (8,605.98 km) |
| Balchik to Orlando (Florida) | 5,763.36 mi (9,275.23 km) |
| Balchik to Ormond Beach (Florida) | 5,712.47 mi (9,193.33 km) |
| Balchik to Oro Valley (Arizona) | 6,595.42 mi (10,614.31 km) |
| Balchik to Oroville (California) | 6,403.37 mi (10,305.23 km) |
| Balchik to Oshkosh (Wisconsin) | 5,247.15 mi (8,444.47 km) |
| Balchik to Oskaloosa (Iowa) | 5,525.21 mi (8,891.97 km) |
