| Sofia to Oakley (California) | 6,444.68 mi (10,371.71 km) |
| Sofia to Oakton (Virginia) | 4,928.00 mi (7,930.85 km) |
| Sofia to Oakville (Missouri) | 5,458.43 mi (8,784.49 km) |
| Sofia to Oatfield (Oregon) | 5,997.99 mi (9,652.83 km) |
| Sofia to Ocala (Florida) | 5,584.88 mi (8,988.00 km) |
| Sofia to Ocean Acres (New Jersey) | 4,765.87 mi (7,669.92 km) |
| Sofia to Ocean City (New Jersey) | 4,799.80 mi (7,724.53 km) |
| Sofia to Ocean Pines (Maryland) | 4,861.18 mi (7,823.31 km) |
| Sofia to Ocean Pointe (Hawaii) | 8,012.97 mi (12,895.63 km) |
| Sofia to Ocean Springs (Mississippi) | 5,803.43 mi (9,339.71 km) |
| Sofia to Oceanside (California) | 6,629.82 mi (10,669.66 km) |
| Sofia to Oceanside (New York) | 4,701.03 mi (7,565.57 km) |
| Sofia to Ocoee (Florida) | 5,586.78 mi (8,991.06 km) |
| Sofia to Oconomowoc (Wisconsin) | 5,161.28 mi (8,306.28 km) |
| Sofia to Odenton (Maryland) | 4,895.14 mi (7,877.97 km) |
