| Tryavna to Oakley (California) | 6,482.77 mi (10,433.02 km) |
| Tryavna to Oakton (Virginia) | 5,009.33 mi (8,061.74 km) |
| Tryavna to Oakville (Missouri) | 5,530.06 mi (8,899.78 km) |
| Tryavna to Oatfield (Oregon) | 6,029.45 mi (9,703.47 km) |
| Tryavna to Ocala (Florida) | 5,671.85 mi (9,127.97 km) |
| Tryavna to Ocean Acres (New Jersey) | 4,848.37 mi (7,802.69 km) |
| Tryavna to Ocean City (New Jersey) | 4,882.58 mi (7,857.76 km) |
| Tryavna to Ocean Pines (Maryland) | 4,944.52 mi (7,957.43 km) |
| Tryavna to Ocean Pointe (Hawaii) | 7,996.60 mi (12,869.28 km) |
| Tryavna to Ocean Springs (Mississippi) | 5,884.07 mi (9,469.49 km) |
| Tryavna to Oceanside (California) | 6,677.34 mi (10,746.14 km) |
| Tryavna to Oceanside (New York) | 4,783.00 mi (7,697.49 km) |
| Tryavna to Ocoee (Florida) | 5,674.72 mi (9,132.58 km) |
| Tryavna to Oconomowoc (Wisconsin) | 5,229.55 mi (8,416.14 km) |
| Tryavna to Odenton (Maryland) | 4,976.71 mi (8,009.25 km) |
